Carlo Barlozzetti, a silly waiter, lives alone in an apartment located across a bank which a Professor and his followers try to robe. While The Professor intends to steal a ring packed with a precious and secret metal alloy guarded in A safety deposit box, his men want to take the money from the safe.
Secret Agent Francis Coplan, is given the task of finding priceless artwork stolen by the Nazis' in 1943. The trail leads to Mexico, where Coplan challenges a "secret" organization in order to re-gain the paintings.
