LosAngeles S.W.A.T. officer, Lt. Paul Cutler, is sent to train the Detroit S.W.A.T. team on brand fresh anti-terrorism and homeland security methods. Cutler has a hard time settling in his assignment since he encounters resistance from the team he has to lead and locks horns. Cutler begins to adjust to his newest assignment, starting a love with police psychologist Kim Byers on the way. Suddenly, a regular hostage call turns mortal, and also a constant ex-government agent named Walter Hatch vows revenge Cutler and the entire S.W.A.T. team for murdering the woman he loves. Cutler must use his considerable S.W.A.T. training and knowledge to rescue his team mates and defeat an experienced killer.