When F.B.I. Agent Zack Grants partner is killed during a blown-up operation, he attempts to find the person responsible. Mafiaso Frank Serlano believes Zack is responsible for his only sons death in the same operation and kidnaps Zacks son to hold as bait. The action gets wild when airline stewardess Mary is taken hostage to add what seems an another insurmountable problem for Zack. There appears to be No Way Out.