This sex comedy concerns the efforts of Julien to get his timid, "backward" 20-year-old son to take an interest in sex and get married. After a series of adventures with women (arranged by papa), Valentin finally gets married to a woman who appears to be as shy as he is. Things get complicated when his father begins an affair with her.
Lola Reyes is a singer who is succeeding and, therefore, is besieged by everyone. A group of homosexuals are the only ones authorized by his possessive mother to be her friends.
Letter carrier Eva is in her late twenties, unmarried and the mother of a twelve-year-old son. She falls in love with Jon, a bargeman who is unfortunately already engaged.