Officer Nolan and the entire team race against the clock to locate Lopez after she is kidnapped on her wedding day, not only to save her life but her unborn child's.
Officer Nolan and Officer Chen's run-in with an infamous thief tips them off to a potentially big heist surrounding the Getty's big gala event. Meanwhile, Nolan works up the courage to ask Bailey out on date
Officer Nolan and officer Chen report to a structure fire and suspect that there is more to the situation than meets the eye. Meanwhile, after witnessing a sniper shooting, the team searches for the shooter and discovers that the perpetrator has a connection to one of their own.
Officer Nolan and Officer Chen search for a missing person who may have international ties that puts everyone's lives in danger. Meanwhile, Harper continues the search for a serial arsonist after responding to a report of an injured cyclist, and Wesley must overcome an impossible task.
When a new designer drug hits LA streets, it turns users into "zombies", and Officer Nolan and the team have a Halloween they won't soon forget. Back at home, Lucy questions whether her apartment building might be haunted.
Officer Nolan and team are on a hunt to retrieve a buried stash of gold before any treasure seekers get hurt. Meanwhile, Bradford is tasked with encouraging the oldest cop at the station to retire and invites him to ride with him.
In the aftermath of Fred's house explosion, Officer Nolan and Bailey discover there's more to Fred's death than meets the eye. Meanwhile, Officer Chen and Officer Bradford demand a treasure hunt rematch and enlist Officer Grey to help set the terms to a new bet, all while they arrest a series of wealthy female criminals. Elsewhere, Wesley struggles to keep it together under the pressure of his debt to Elijah.
The team goes on a city-wide hunt for an individual who is threatening a mass casualty event. Tim's sister shows up unannounced with some surprising news. Lopez continues her inner struggle over Wesley's deal with Elijah and tries to come up with a plan to get them out of it.
Desperate to break free from his connection to Elijah, Wesley tries to plant a listening device in his office to incriminate him. Officer Bradford and his sister, Genny, learn an unsettling truth about their father.