After a mafia-related mass casualty, the team is tasked to keep the peace at the hospital. Lucy and Celina work together to investigate the suspects behind the attack. Meanwhile, Tim and Aaron embark on a metro ops mission.

The team mobilizes to locate a suspect after a deadly series of events affects one of their own. Meanwhile, Celina takes on her first case with Bailey's help.

John, Lucy and Angela investigate the suspicious stabbing of three teenage girls. Back at the station, the team experiences technical difficulties while managing a group of prisoners and a wild animal.

Documentary filmmakers interview the LAPD on a complicated missing person's case connected to John.