"Chicago PD," yelled Detective Jay Halstead as he kicked down the door to an apartment in Canaryville. Following him were the officers of the Intelligence Unit of the 21st Precinct of the Chicago Police Department.

Moments later, the house was surrounded. No one was escaping on their watch. Halstead crossed the hallway with his partner, Erin Lindsay, close behind him. They reached the top of a staircase and ascended. Both Lindsay and Halstead had their weapons pointed up towards the top.

When they reached the top, Jay cursed silently to himself that there was no one up there. He sighed and slowly made his way down. "Clear," was all he said.

Downstairs, Officer Adam Ruzek and Antonio Dawson were staring at a table covered in classified documents, mostly labels CLASSIFIED: US NAVY PERSONNEL ONLY. Ruzek shuffled around through the pile of papers and paused when his finger skimmed over a title that read, Manta Ray.

"Hey guys, you may want to see this," he called over the radio.

Dawson looked up to where Adam was. Sargent Hank Voight and Officer Kevin Atwater came into the room where the two were. "What am I looking at," Voight questioned the younger officer.

"I don't know, Sarge. It looks like classified information."

"How did a local gang banger get ahold of classified military documents?"

Before Adam could answer, Jay and Erin stepped into the room. Jay's eyes scanned the materials scattered all over the floor and picked up a sheet. "I'll reach out to someone who has Navy connects and see what they know."

Voight nodded. "Good. Let's keep a tight lid on this til we know what's going on."

oOo

A vibrating noise from your phone caused you to look at your phone, startling you from your daydreaming. A small smile appeared on your face when you saw the caller ID.

"Hey big bro, I was just debating on coming home to surprise you and Will."

Jay smiled. He missed you so much, even if you were a phone call away. "It's good to hear from you, Y/n, but I'm afraid that I-"

"It's not Will is it," you interrupted your twin, sitting upright in your chair.

"Will's fine, Y/n but listen. We found something interesting after a bust. I think it's something that you should know."

Your jaw clenched hearing those words. "What do you know about Project Manta Ray?"

You stood up so fast from your chair, it rolled back quickly and noisily which caused your best friend and partner, Chris Lasalle, to look up. "Jay, do not say another word over this call. I'm on the next flight up to Chicago."

"Hal, you okay," Lasalle questioned with a slight hint of worry in his tone.

You shook your head. "No, but I think I may know where Manta is."