Angie stays with a soldier who demands justice by taking the bullpen hostage.

While Detective Angie Flynn and Staff Sergeant Vega adjust to his new role, the suicide of an officer with whom Angie and Detective Brian Lucas worked on a crime scene turns the team’s investigation into a hunt for a cop killer.

A murder with a familiar signature could mean a woman was wrongly convicted of a crime.

Angie races to catch a killer who is an expert at covering their tracks.

Three years after a killer gets away, the team reunites to close the case.

The murder investigation of a suburban mom takes a turn when her child is abducted.

Angie partners with an international agent to investigate the murder of a British politician's son.

Angie and Paula investigate the murder of an ex-con. Vega faces his boundary issues with Dr. Rogers and Lucas.

The team goes after a killer who is spreading a lethal pathogen across the city.

Angie fills in as staff sergeant while investigating a football player's wife's murder.

The team goes on a hunt through the past to find the killer of a video game designer.

A woman is murdered with what appears to be a medieval weapon.

A woman is found nail-gunned to death. Angie embraces her relationship with Jack. Vega's frustrations force him to look for other options.