New York police are bemused by reports of a giant flying lizard that has been spotted around the rooftops of New York, until the lizard starts to eat people. An out-of-work ex-con is the only person who knows the location of the monster's nest and is determined to turn the knowledge to his advantage, but will his gamble pay off or will he end up as lizard food?

Naïve Michael Jordon is drawn into a web of government secrets when a girl carrying a mysterious package gets into a taxi with him. When she's later murdered, Michael becomes the chief suspect and goes on the run.