In this comedy drama romance film directed by Emmanuel Mouret, Joan, no longer in love, leaves Victor, her partner and father of their daughter. Alice, her best friend, advocates a kind of marriage of reason, a relationship without love but with tenderness, more soothing for her than passion. Rebecca, their mutual friend, believes in love as an adventure and has a secret relationship with Alice's boyfriend... Three friends with very different temperaments, who defend their ideas and assert their choices.