Syd, McKenna and the team band together as they race against the clock to save one of their own, finally coming face-to-face with their greatest enemy.

As Syd and McKenna finally close in on Gabriel Knox, a shocking revelation makes their fight more personal than ever before.

McKenna grieves the death of a loved one with Syd by her side. The LAPD detectives work as a united force to put an end to Lustrum Holdings and restore peace in Koreatown.

After a stunning discovery, Syd and McKenna debate who they can trust moving forward whilst also investigating a death that took place at a scenic Los Angeles park.

As their pasts continue to crash into the present, Syd and McKenna discover that an unknown player has been manipulating them all along. Meanwhile, the search for the missing diamonds continues, just as McKenna is face with a impossible choice; her brother or her future.

As Patrick waits for the election results, the team works tirelessly to find Malcolm Ward, a killer at large. Syd offers to tell internal affairs the truth about what happened in the scrap yard.

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

It's busy for our team of detectives as they continue to investigate the case of the missing diamonds, and the task force executes a major drug bust. With the treat of Knox looming, both Syd and McKenna must confront some of their deepest secrets yet.

When a boy is targeted by a powerful cartel, two detectives with complex pasts race the clock to keep him safe, but when Syd's personal quest for justice threatens their efforts, the pair must decide whom they really serve and protect.

As the team searches for the culprit behind the Koreatown crime surge, McKenna is triggered by memories from her experience in Iraq. Syd discovers a tape of Jen with an unexpected client.

With McKenna's help, Syd searches for Jen's killer as she grieves the loss of her friend. The death of a Koreatown legend has the community up in arms wondering who could be responsible.

Syd and McKenna are called to investigate when a body seems to plummet from the sky; the partners realize they need to trust each other to escape the ghosts of their pasts.

While fighting with their own complications, Syd and McKenna try and find the killer behind the death of a transgender woman. Syd must face her past as the hunt for Knox intensifies. McKenna helps Izzy deal with her grief.

After sharing the truth about Jen's passing with her family, Syd receives some unexpected help on the case. McKenna and Patrick make a tough decision.

Syd learns that the crime wave in Koreatown is forcing people out of their homes, drawing the attention of Ricky Leon. The LAPD searches for the team responsible for a deadly dispensary robbery.

Tracking down a serial killer who lures his victims into isolated areas before killing them live on social media; Syd has a dangerous secret that clashes with McKenna's complicated past.