When a misconduct complaint filed against Hondo gets him taken off active duty, Deacon steps up to lead the team in finding a robbery crew that is hitting marijuana dispensaries. Also, when Tan notices a similarity between the current robberies and a case from his time with Hollywood LAPD, he asks for help from an informant with whom he has a complicated history.

Jim Street debates whether or not his mother, Karen, should live with him upon her prison release after Hondo and Chris warn him against it. Also, Hondo and the team are assigned to protect Irina Zemanova, a high-profile Russian journalist visiting Los Angeles, from being assassinated.

The SWAT team pursues a group of unknown assailants responsible for a patrol officer’s death before tension in the city between the police and the community explodes. Also, as Chris reels from the revelation that she knew the patrol officer who was killed, Deacon and his wife, Annie, prepare to welcome their newest child.

The SWAT team goes in pursuit again of the militant group The Emancipators, when the criminals hold a live stream kangaroo court to publicly execute city politicians. Also, Hondo fights to lift Darryl’s spirits; Deacon feels unworthy as he prepares to receive one of the LAPD’s highest honors; and Street catches a break in the search for his missing parolee mother.

Deacon’s family gets caught in the crosshairs of a drug cartel when he and the SWAT team aim to bring down its leader, a former foreign rebel force leader running drugs in plain sight via a local flower market. Also, Hondo receives troubling news regarding his father, and Tan is forced to go before an internal review board due to his girlfriend’s indiscretion.

The SWAT team searches for an escaped convict who plans to kill Tan and every member of law enforcement who helped put him in prison years ago. Also, Chris comes face to face with internal corruption when she arrests a young man who is given a free pass due to his powerful father, and a surprise visit by Hondo’s sister, Winnie, puts pressure on his relationship with Nichelle.

A tragic mission leads each member of the SWAT team to contend with their emotional distress in varied ways.

Hondo, Deacon and Tan team up with Thailand’s elite S.W.A.T. team to stop a ruthless drug lord whose heroin operation has far-reaching ties to Los Angeles.