After being paroled from prison, a security expert and former thief starts work for a high financier. His job is to design a bank that cannot be robbed. Once his high-tech-laser-equipped super-bank is completed, he embarks on an affair with a young socialite, but he has a heated row with her ex-boyfriend. The next day the ex-boyfriend is found dead in his car and he is blamed for the murder. his only way of proving his innocence and getting his girlfriend back alive is to go back to thieving and help mastermind the robbery of the super-bank he designed.