James Chen

When a top-secret weapon is stolen in broad daylight from a U.S. defense contractor, CIA agent Colin Glass is paired with FBI agent Bill Goodman to investigate.

When Colin learns his CIA mentor has gone dark, he enlists Bill and the team to help track them down; as they get closer, the operation reveals significant information about the identity of the mole.

Look 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 undercover to prevent another incident.

When a big city donor is murdered inside her apartment, the team tracks down the young killer who leads them into a crypto scam he's been running with one of his victims, looking to seek revenge on his family.

Following the assassination of a major corporate executive, the team races to find leaders of a dormant terrorist organization that has re-emerged; OA is temporarily reassigned after refusing to follow orders but is paired up with a familiar face.