Former professor of natural history, Louis Compiegne lives in retirement in a big house, with Pascal, his faithful servant. The arrival of a young American student comes to disorder the quiet life of the pensioner.

A jewel thief hides his loot in a WELL while escaping. He returns several years later only to find there is a Resort on the site and the well is the centerpiece of the place. He then has to find a way to retrieve his haul.

A network of spies affects the lives of people in and out of the organization in this espionage drama. Dominique is the neglected wife of a spy who tracks him down at a Paris antique shop. Finding him with a female spy, the enraged wife shoots both of them. Dominique hides out on a boat while the police investigate the murders, and international spies scramble to recover some missing microfilm. Helen is the spy boss who orders a hit man to go after Dominique.