March 13, 1894

Paris, summer 1960. Michel is about to leave for Algeria for military service. He meets Liliane and Juliette, two inseparable friends. Michel goes on vacation to Corsica, where the two girls decide to join him

In a moment of madness a respectable pharmacist kills a young woman who is sun-bathing by a lake. Unable to take in what he has done, he flees from the scene of the crime and behaves as if nothing has happened.