The team was in Larry's garage, relaxing from a long mission. Larry walked to the boys.

"Gage, do you have a sister?" Rhett asked. "I don't know. My mom and dad never told me" Gage said. Larry smiled at the boys.

"Actually Gage, your mother wants to talk to you" Larry said as they all walked outside. "Mom, what's wrong?" Gage asked. "I came to tell you that you do have a baby sister. Her name is Lisa" his mother named Fawn said.

"I have a sister?" Gage asked and Fawn nods. Lisa hid behind Fawn and peeked at the team. Fawn rubbed Lisa's head. "Meet your big brother" Lisa saw Gage and walked to him. She hugged him.

"Aww" Wyatt, Brandon and Rhett said. "Big brother" Lisa smiled and Gage hugged her. "Larry, do we have any missions?" Brandon asked their boss. "Not that I know of" Larry said.

"Lisa, say bye to your brother" Fawn said. Lisa hugs Gage. "Bye bye" she said as the mother and daughter walk home. "So you do have a sister" Wyatt said.

"Boys, focus. I know Gage's sister is adorable but you four need to always be on the alert of danger to the city" Larry said as he and the boys walk in the garage. An alarm beeps. "Boys, a villain is here to bring harm. Go save the city" Larry said.

After they knew their mission, the cars sped off. "Brother!" Lisa saw Twin Mill speed by. "Yeah, that is your brother's car. Its called Twin Mill. Your brother is the leader of a team called Team Hot Wheels and they protect our city" Fawn said.