After an armed robbery crew invades a downtown auction house, the case quickly turns personal for Hondo when his sister, Winnie, is taken as one of the hostages.
When hospital employees are targeted by a gunman, the team race to find a grieving father whose son was denied a kidney transplant; Hondo searches for evidence behind an alarming rise in Los Angeles stash houses.
During a trip to Bangkok to train alongside Thailand's premiere S.W.A.T. team, Hondo and his former military buddy stumble upon a wide-ranging heroin operation with ties to Los Angeles and find themselves on the run from a powerful drug kingpin.
Hondo, Deacon, and Tan team up with Thailand's elite SWAT team to stop a ruthless drug lord whose heroin operation has far-reaching ties to Los Angeles.
When the team's armoured vehicle is stolen, they must stop the vehicle from being used in a potential terrorist attack; Hondo and Nischelle prepare for their baby's gender reveal party.