Grief-stricken over the loss of her friend, Syd begins a search for Jen’s killer, aided by McKenna. The death of this Koreatown icon has stirred the community to outrage, with many questioning who could be responsible.

Amidst the team’s investigation into the escalating crime in Koreatown, McKenna finds herself haunted by recollections of her time in Iraq. Meanwhile, Syd uncovers a recording of Jen speaking with a visitor who was decidedly out of place.

Following a tense encounter with one of Jen’s former clients, Syd and McKenna feel they are gaining ground when their safety is imperiled. In the Koreatown investigation, the team finally narrows in on the perpetrator.

The city breathed a collective sigh of relief with the capture of the Koreatown shooter, but for the team, the work continued. A fresh case had emerged: a promising collegiate swimmer, discovered deceased following what appeared to be a hit…

When the team links a new mobile application to a series of crimes, they discover the Koreatown surge in criminal activity is far from exhausted. Syd uncovers a startling truth about Jen's identity.

The investigation, tangled with Nico’s burgeoning ventures, throws McKenna into a maelstrom. Simultaneously, she begins family therapy, while Syd delivers difficult news to Jen’s family.

Following the difficult news of Jen’s death, Syd finds herself unexpectedly aided in the investigation by her family. Meanwhile, McKenna and Patrick are faced with a challenging choice.

The Los Angeles Police Department unit fought a desperate race against time to reach a colleague in peril.

The escalating crime in Koreatown was displacing residents, a situation that quickly caught the eye of Ricky Leon. Meanwhile, the LAPD intensified its search for those responsible for a particularly violent robbery at a drug dispensary.

The disappearance of Emma ignites in Syd a relentless determination to reunite her with her family. Meanwhile, an undercover McKenna infiltrates a veteran's retreat, a location suspected of being a source for highly skilled criminals operat…

Syd and Baines face scrutiny from internal affairs as the investigation into Beverly Gamble’s death deepens. Meanwhile, McKenna and Walker’s interrogation of Duke Ingram unexpectedly leads them to a previously unknown arms dealer.

While Patrick awaits the outcome of the election, his team pursues the relentless search for Malcolm Ward, a dangerous fugitive. Syd proposes to disclose the truth of the incident at the scrap yard to internal affairs.

Grief accompanies McKenna as she mourns a loss, finding solace in Syd's presence. Meanwhile, the detectives of the LAPD operate as a cohesive unit, determined to dismantle Lustrum Holdings and bring tranquility back to Koreatown.