Elijah Kane's (Steven Seagal) knowledge of espionage tactics reconnaissance equipment and counter terrorism comes from an education that wasn't gained in Seattle's police academy but from years of being deep undercover in the war against terrorism. Kane's history is now causing uncertainty in the team's future as Mason and Radner members of Kane's Special Investigation Unit are badly beaten by masked military-trained men. Working through the confusion that Kane's military past is causing Sarah and Juliet are after yet another serial rapist in Seattle. The SIU is put on the case only after it proves too much for Lt. Humphreys' (guest star Rachel Luttrell) Special Victims Bureau. The team's caseload continues to rise when they find the bodies of runway models killed in a fashion too disturbing for even this SIU team. Two cases are never the same and the SIU team is stretched thin by the gaining strength of Seattle's crime world in this Urban Warfare.
When Officer Elijah Kane and his team of undercover cops discover a new lab drug flooding through the nightclubs of Seattle, they struggle to eliminate it from the streets immediately. As if dealing with a dozen dead ravers isn't enough, the cops begin to act as security guards for an obnoxious documentarian. They quickly become privy to the filmmaker's arrogance as he attempts to make a film regarding Seattle's underbelly.
A group of Iraq War veterans goes on the run from U.S. military forces while they try to clear their names after being framed for a crime they didn't commit. Along the way, Col. Hannibal Smith, Capt. H.M. ‘Howling Mad’ Murdock , Sgt. Bosco ‘B.A.’ Baracus, and Lt. Templeton ‘Faceman’ Peck help out various people they encounter.
A representative of an alien race that went through drastic evolution to survive its own climate change, Klaatu comes to Earth to assess whether humanity can prevent the environmental damage they have inflicted on their own planet. When barred from speaking to the United Nations, he decides humankind shall be exterminated so the planet can survive.
