James Chen

After a senator's daughter is kidnapped and held for ransom, the FBI must find the little girl before their time limit expires; they must dig into the senator's past for clues to who did this to his family.

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.

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.

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

Maggie goes under cover working in a bar to investigate an anti-government group that regularly gathers there; a single father on the periphery of the group begins to fear he's in danger of becoming collateral damage.

The team must infiltrate a drug trafficking gang after the robbery of a chemical plant leaves two customs agents dead; Nestor offers his help on the case, giving Maggie new insight into his character.