A lonely and unsociable man is spying on customers in a department store in Geneva. He gets his eyes on a gorgeous creature with a musical instrument.

As he sets off for the countryside outside Geneva a taxi-driver hears a gunshot and notices a shadowy figure slipping away from the scene. So begins a series of strange incidents.

An eccentric Parisian woman's optimistic perception of life begins to sound more rational than the rather traditional beliefs of others.