
Daniel "Hondo" Harrelson, a Los Angeles S.W.A.T. lieutenant, is assigned to lead a highly skilled unit in the community where he grew up. Torn between loyalty to the streets, where the cops are sometimes the enemy, and allegiance to his brothers in blue, he strategically straddles the two worlds. Hondo encourages his team to rely on communication and respect over force and aggression, but when a crisis erupts, these unflinching men and women are prepared to put their tactical training to the test.

A Chilean arms dealer kidnaps a woman and her daughter; crossing paths with his brother, Tan is forced to come clean to his family about his divorce from Bonnie; Hondo discovers that Hicks has received a job offer that could lure him away.

Tan is left reeling when his girlfriend is kidnapped; a violent cartel leader may be behind the abduction.

A blackout throws the city into chaos, forcing the team onto the streets for an emergency patrol day, which quickly escalates when Hondo and team uncover a terror threat.

Street discovers a biker club has stolen a cache of armor-piercing bullets, and they intend to pull off a daring heist; Hondo struggles with changes at work; Nichelle finds herself at odds with a former colleague.