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.

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.

A body abruptly plummets onto a busy street, seemingly falling straight out of the sky, and our team is left to piece together the clues. Meanwhile, Syd and McKenna realize they need to trust each other if they want to escape the ghosts of their past.

Time is up – Syd and McKenna need to get Knox’s fentanyl into police custody while leaving no trace of their own involvement. But can they pull it off when McKenna is distracted by Izzy’s strange behavior and a ghost from Syd’s past returns to haunt her?

Our LAPD team works to solve the mystery behind the brutal death of a trans woman, while Syd and McKenna are tangled up in their own personal complications. As the hunt for Knox intensifies, Syd is forced to face her traumatic and complicated past head-on when an old flame is transferred to the LAPD. Meanwhile, McKenna helps Izzy process the grief from her mother’s fatal car accident.

With Dante back in her life, it’s impossible for McKenna to keep hiding the truth about her mother’s death from Syd. At the same time, Syd is in a mess of her own as Arlo plots against those she loves. As if this isn’t enough on Syd and McKenna’s plate, our team continues its hunt for answers in the murder of the trans woman and her fiancé.

Syd and McKenna’s personal hunt for Gabriel Knox ramps up as they let the Bens in on their search for the elusive Arlo. Meanwhile, a conflicted Syd must deal with a family crisis, while McKenna is left with a difficult choice between her past and her future.

McKenna is forced to come clean about her past to her husband, and both she and Syd attempt to convince him to bend the rule of law to save a life. In the meantime, our team find themselves trailing a group of thieves who managed to steal million of dollars' worth of untraceable diamonds.

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.

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.

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

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.

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.

While the team searches for the person behind the crime in Koreatown, McKenna is affected by her memories of Iraq. At the same time, Syd discovers a bond with Jen and an unexpected client.

After confronting one of Jen's former clients, Syd and McKenna think they are on the right track, but suddenly their lives end up in danger. In the Koreatown case, the team finally finds the culprit.

Now that the Koreatown criminal is sitting safely behind bars, a new case emerges for the team when a college swimmer is found dead in a condition that suggests he was on the run.

When the team examines the connection between a new app and a series of crimes, they discover that the crime wave in Koreatown is far from over. Syd also discovers a shocking truth about Jen.

In the midst of the chaos of investigating a case that involves Nico, McKenna is also starting family therapy, and Syd has bad news for Jen's family.

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

The LAPD team races against the clock to rescue one of their own.

Syd finds out that crime in Koreatown is forcing people out of their homes, which gets Ricky Leon's attention. Meanwhile, the LAPD is looking for those responsible for a deadly robbery.

When Emma disappears, Syd will do anything to get her home to her family. Meanwhile, McKenna is on an undercover mission that could lead to the revelation of the criminals in the Koreatown case.

Syd and Baines are threatened by an internal investigation into Beverly Gamles' death. McKenna and Walker interrogate Ingram, leading the team to an unexpected arms dealer.

While Patrick waits for the election result, the team works tirelessly to find Malcolm Ward, a free killer. Syd offers to tell the truth about what happened at the scrap yard.

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