With McKenna's help, Syd searches for Jen's Killer as she grieves the loss of her friend.

As the team searches for the culprit behind the Koreatown crime surge, McKenna is triggered by memories from her past in Iraq.

After confronting one of Jen's former clients, Syd and McKenna believe they are on the right track, but all of a sudden their lives are in jeopardy. The team tracks down the culprit in the Korea Town case.

With the Korea Town Shooter safely behind bars, our team catches a new case when a collegiate swimmer is found dead in what seems to be a hit and run.

As the team ties a new app to a series of crimes, they discover the crime wave in Korea Town from far being over. Syd reveals a shocking fact about Jen.

In the middle of investigating a new case, McKenna enters family guidance counseling. Syd has to give Jen's family some unfortunate news.

After sharing the truth about Jen's death, Syd gets unexpected help with the case. McKenna and Patrick have to make a difficult decision.

The team is up against the clock as they try to save one of their own.

Syd learns that the crime surge of Korea Town is forcing people out of their homes, something that catches Ricky Leon's attention. The team is on the search for the ones behind a fatal robbery.

When Emma goes missing, Syd will stop at nothing to bring her back home to her family. Meanwhile, an undercover McKenna attends a veteran's retreat that could be sourcing the highly skilled Koreatown criminals.

Syd and Baines are threatened by an internal affairs investigation regarding Beverly Gamble's death. McKenna and Walker interrogate Duke Ingram which leads the team to an unexpected arms dealer.

While Patrick faces the press as election results start coming in, the team works hard to locate Malcolm Ward, and Syd considers telling the truth about killing Beverly Gamble in the scrap yard.

McKenna mourns the death of a loved one with Syd by her side. LAPD detectives work as a unified force to put an end to Lustrom Holdings and restore peace to Koreatown.