Some time has passed since Optimus and others went into earth's core to defeat Unicron. Even the connection on TV news went off. So, far things looked going worse and everything was up Optimus. Of course, everyone was worried what Megatron will do, once they were all done. Ratchet in other wouldn't have guessed seen Optimus and Megatron working together again. Then Ratchet started told the story of Optimus Prime. How he once was called as Orion Pax, who worked in Iacon records. How he discovered the injustice on government. How he met Gladiator named Megatronus, who wish for better future just like he did. How he discovered Megatron's true intentions in the high court, how he spoke up for better future and Was chosen for next Prime. How war started. And for last how he got Matrix from Primus himself and become Optimus Prime.

"So, Optimus got Matrix from Cybertron's core and now he is going to give it to earth's?" asked Miko.

"What would stop Megatron just calming the Matrix to himself this time around?" asked Jack.

"Only to his greater desire to save this planet, so he may conquer it," said Ratchet. "As he so complete argued. Provide that lord of Decepticons can ever be fully trusted."

"No disagreement with that," said SweetStar before she sneezed. So, far thanks to the blanket and warm energon, she has managed to recover a bit.

"What happened to other Stars back then?" asked Raf.

"We came hunted because of Megatron. Since in the end, we decided that Orion Pax deserves to become Prime," told Sweet.

"You decided?" asked Miko.

"Back then we were the important part of the high council," said Sweet. "But because of that, we weren't allowed to meet anyone else then High cleric of Iacon records, since he was an old friend of our elder sister, Star Supreme."

"Star Supreme?"

"You recall, I told There was six of us that controlled the eight Star elements and that there was the seventh one. Her full name was LightStar Supreme, Star Supreme for short. She holds the entire balance between good and evil, life and death. But as you know, there's no such perfect government. When injustice was showing up in high places, her Spark couldn't stand it and she died. Leaving us alone."

Humans remained quiet to hear such a sad story. Who knew Stars were treated like that.

"When Dad Primus was getting weak we had to use our power to put him sleep, so he won't completely die after he gave the Matrix. After that, we spread different directions so we won't be an easy catch."

"What happened to others?" asked Jack.

"I don't know..." said Sweet, while looking down. So much of that discussion.

Some time passed more. Ratchet tried to locate life signals, but it seems like a magnetic force on earth core was blocking them. Which was bit worried, if they can't know when they should pick them out. Right, then Ratchet notice Jack had something in his hands. Sweet came to look it as well.

"Where did you get that?" asked Ratchet from Jack.

"Optimus," said Jack. "Honestly, I don't know why he gave me the key to the ground bridge power supply."

"Ground bridge power supply?" asked SweetStar.

"Jack, there is no key to the ground bridge," said Ratchet.

"Then, what is this?" asked Jack.

"Oh my gosh..." said Sweet.

"That is the key to Vector Sigma," said Ratchet.

"The what?"

"You're holding one of Cybertron's most important relics."

"That could be held either us Stars or Prime," said Sweet.

"I shouldn't have this," said Jack and tried to give it to Ratchet.

"Optimus trust it to you, Jack," said Ratchet.

"But that doesn't make any sense. Why?" asked Jack.

"Because he doesn't plan on coming back."

"SShh! Not out loud," said SweetStar and points on Elena.

In this, they look on Elena. So far, she has walked around in circles all time, repeating same words over and over. 'Be strong, brave and trust your feelings'.

"Elena?" asked June. In this Elena came back from her thoughts.

"I'm sorry. I'm just..."

"We know you're worried by Optimus," said June.

"What?" she asked.

"We all know," said Ratchet. "Sweet told us."

Elena looked while on everyone before she sighs and looks down.

"I... thought it would cause more trouble for the team..." said Elena.

"I would have thought that too," said Ratchet. "But considering all these years with you, you have already affected a lot in our lives. And become an important team member."

Elena laughed a bit. She never expected to hear that from Ratchet.

"Well, that explains 'sitting on the shoulder' habit," said Miko.

"Miko!" said Jack.

"It's okay. It kind of started from it. Back then I was blind with one arm and leg. I couldn't move to anywhere and I was getting too bored just lay there and do nothing."

"Trust me. She tried to get out, right when she had the chance," said Ratchet.

"One time, I tried to get up right when Optimus came and he noticed that I wanted to get up. He didn't start to lecture me like Ratchet or get too worried like PeaceStar. He kind of knew I wanted to do something else than lay around. So, he picked me up and let me sit on his shoulder."

"Aww," said Miko.

"Is that how you came so close?" asked June.

"Yes," said Elena. "He told many things to me back then. It was like he trusted me to hear all that. It was like I learn to know him and when I did, I..." In this tears started to show up in her eyes. "I started to like him more. Like he would have been my father. But I was so afraid. Afraid what would he think. What would everyone think? So, I keep up to myself."

"Optimus, probably did the same thing." said agent Fowler. "Since we got an encounter with M.E.C.H, he all worried you."

Elena sniffed a bit. After all, those years keeping that thought hidden, she never had thought Optimus was keeping that hidden as well. They were both afraid of the negative reaction from one another. But now, it was all clear. June hugged Elena Since she knew how a child feels for their parent.

But right then earth started to shake.

"Earthquake?" asked Agent Fowler. But it was obvious it was because of Unicron.

"Take cover!" yelled Ratchet and went protect children. Then Elena went to aside.

"Elena, what are you...?" asked June.

"Make sure we survive this," she said and seems to prepare for something.

"Elena, Don't you dare think using protection shield. You can't use it hold the entire base. Plus, Unicron will find you by it." said SweetStar.

"My dad is there trying to stop Unicron. What I can do now is to distract him, to give the opportunity to use Matrix on him."

"But Elena...AH!" said Sweet before she collapsed, Her element was taking over her body and this time powerfully.

Elena took a good position and raised her hand aside. Then shield was appearing surrounding them all. This was ever the first time to protect the entire base, but she wasn't going to give up.

"Be strong..." she said to herself. But it also felt like she says it same to Optimus. "Be..." she was cut when she collapsed on the floor. At that moment everything was calming down, The volcanos, tornadoes, tsunamis and the sky came clear. Even Sweet manage to get element back to control. They also got life signals from others. It seems like Optimus manage to stop Unicron in time. Sweet run quickly to check on Elena.

"Elena?" she asked. Elena was opening her eyes, but they looked worried.

"Sweet...where's..."

"He did it," said Sweet. "Unicron is defeated."

"Sweet, where's dad? I can't sense him..."

"What?"

"I can't sense him..." said Elena again while tears started to fall.

Ratchet went activate the ground bridge to bring others back. Only Arcee, Bumblebee, and Bulkhead came while they looked down.

"And...Optimus? Is he...?" asked Ratchet.

"Dead. No." said Arcee.

"But he looked at us without recognizing us," said Bulkhead. "Didn't even know his own name."

Everyone came worried.

"When Optimus surrender the Matrix of leadership, he lost more than the collective wisdom of the Primes, he lost his own memories."

"ELENA!" Yelled SweetStar. "RATCHET, COME HERE QUICKLY!"

Everyone went look what was going on. Elena was laying there in SweetStar's arms. She looked like she was dead, but one thing that told she was alive was that tears were falling from her eyes.

At nightfall, when humans were taken to check on their homes and all, in Omega one was silent. Elena was once again resting in Optimus' berth, while Sweet checks her. Arcee was looking from the side.

"As I expected. Since she tried to protect entire base plus shock of the news of Optimus it was too much for her, but luckily not to kill her. She needs to rest a lot now." said SweetStar.

Arcee only nodded. Then she looked on Elena. When she saw Optimus walking through the ground bridge, her spark hurt. He didn't recognize them. He didn't recognize her. He won't probably recognize Elena, his daughter. Arcee tried to hold her tears for this. She has to be strong.

Then Ratchet came.

"How is she?" he asked.

"She just needs to rest," said Sweet. After this, Ratchet looked on Arcee.

"You should go rest as well," he said.

"I'm fine," said Arcee. "I'll look after her."

"Arcee, listen..."

"No, you listen!" she said And turn to look at medic tears showing up. "I made a promise to Optimus. I promised to look after her until he returns. I asked him that he will, but now he can't remember any of us. Not even her. His own daughter! "

"(Arcee?)" heard Bumblebee's beeping on the door. It turns out he and Bulkhead were there too since they too were worried about Elena. She was like little sister or something close like that "(When did you make that promise?)"

"Yeah," said Bulkhead. "I mean, you were listing Sweet right. Plus, why you?"

Arcee looked away. She wasn't sure should she tell them, that Optimus already told her about Elena, when they...

"Optimus... told me about it before..." she said.

"(When?)" asked Bumblebee. Arcee looked away. She couldn't tell them. what would they think?

"By AllSpark..." gasped SweetStar. Ratchet realize it too.

"Arcee... did you..." tried to ask Ratchet.

"Enough!" she yelled. "It's none of your business," she said before she tried to go, but she couldn't move because Sweet froze her legs on the floor.

"Bulky, Bee. Can you leave us for a sec?" asked SweetStar sweetly as she could. Bulkhead and Bumblebee agreed and left the room.

"Arcee..." started Ratchet, while Sweet let her go from ice. "We are aware that you like Optimus and he feels the same way..."

"And by 'we' we meant me, Ratchet and Elena." said Sweet.

"I know..." said Arcee, while looked down.

"It has turned into a romantic relationship, hasn't it?" asked Ratchet.

"I knew it!" yelled Sweet. "Did you..."

"Sweet!" yelled both.

"What? I'm older than you think. I know all about bonds and interface."

"You do realize, that sound very awkward when you say it," said Ratchet. Sweet started to pout. In this Ratchet looked on Arcee. "Arcee... did you and Optimus had an interface?"

"Yes, okay," she yelled. "I love him and he loves me. I don't care what you're going to say, it just..." she was cut off when Ratchet hugged her. It was like one when some dear family member hugs you. Sweet was surprised too. Not on what Arcee said if not what Ratchet just did. Since when he was a hugger?

"This hurts you as much, does it," said Ratchet. Arcee let tears finally fall. Ratchet knew Optimus well. He probably could notice how he started to grow feeling on Arcee. And now she had it too. "Don't worry. We will bring him back."

"Yeah," said Bulkhead, while he and Bumblebee entered again. "We still have a secret weapon."

"What you mean by that?" asked SweetStar.

"Duh. Didn't the prophecy said about guiding lost one back?" said Bulkhead.

"Oh right," said Sweet and looked on Elena. "We don't know how."

"We will find the way," said Ratchet. "Right now we all need to rest. We will talk about this first in tomorrow."

In this everyone nodded and after it others left the room, leaving Arcee with Elena since she asked to. But before she could turn around to look on Elena, she heard how Ratchet and Sweet started to hit and yell on Bulkhead and Bumblebee for hearing all that private conversation. Bulkhead started to say, that it was nothing, however, he asked why no one told about it and how long it has been going on. Bumblebee, however, was still curious what is an interface. Arcee couldn't help but chuckle a bit.

After that, she went to look on Elena. She was already fast in sleep. Her face didn't look so worried if not so peaceful. Perhaps, it because one her Start powers or probably a thing she is a Prime's daughter. She rests herself in Optimus' berth while looks on Elena. Her face seems like a child.

"I promise. We will get him back," she said before she went on recharge. But when she did, Elena said something. Something she said quietly before Optimus left.

"Remember with Spark..."