Paul Chateau Têtard, 48, falls in love with a young woman working as a counter clerk in the subway. When he plans to marry her, his mother launches a private detective on her tracks to prove she's cheating on her son.
Hector, who met Truquette at the Louvre on July 14, has only one concern since then: seduce this girl. The best way to do so is by taking her to the sea. Pator, his friend, is accompanying him along with Truquettes girlfriend, Charlotte.