 The seven-ups are a secret, elite New York detective squad who are very effective in catching criminals, even if their tactics are questionable. However, what one of the detectives doesn t know is that one of his informants is mastermind of a plot to kidnap loan sharks. The kidnappers get to their victims by impersonating police officers. While investigating one of the disappearances, one of the seven-ups gets spotted and is killed. The situation puts the seven-ups in a precarious position because it looks like they are tied to the kidnappings. So now one detective has to find the murderers and clear the seven-ups  soiled reputation.