Thought-provoking, witty and entertaining, this action-packed blend of science fiction and police drama finds Los Angeles the new home of 300,000 humanoid extraterrestrials. When a gang of these newcomers kills a police detective's (James Cann) partner, he sets out to solve the crime with his new partner (Mandy Patinkin) - the L.A.P.D.'s first newcomer detective. But the unlikely pair soon uncover a far more dangerous threat to society.