The SWAT team undertakes its final mission when a unhappy crew of ex-pat Russian mercenaries holds Los Angeles hostage after planting hundreds of hidden explosives across the city in a bid to extort the release of their brutal leader, Dmitri Rykov. When Rykov is brought to SWAT for safekeeping, SWAT HQ comes under attack, forcing Hondo and 20-Squad to fight for their very survival.
Los Angeles S.W.A.T. lieutenant Daniel "Hondo" Harrelson 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 these 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.