James Chen

A senator's daughter is kidnapped and held for ransom.

Looking back at how Chimney joined Station 118 and became the firefighter and paramedic he is today.

After a bomb detonates at a restaurant in Queens, the case becomes personal for OA, who grew up eating there; OA goes under cover to prevent another incident.

A woman who has information about the death of Maggie's husband is abducted, leading OA and the team to uncover a criminal operation larger than anyone imagined; Dana puts her career in jeopardy when she allows Maggie to work on the case.

A shooting at a quinceañera leaves two dead, but the team believes they may not have been the intended targets; Maggie is conflicted as the team decides the best plan of action for using a witness to take down their suspect.

The team hunts for a serial killer who is targeting young, homeless men; Tiffany and Scola don't see eye to eye on how to handle the case.