Laurence and Nina believe they have an exclusive and happy love life with Marc, their partner.

Laurence and Nina think they are living an exclusive and happy love life with Marc, their partner. However, when he suddenly dies, they discover with dismay that Marc was leading a double life, living with the two women alternately, a mother of his two children and the other his young wife. Therefore, the two widows will have to find the necessary resources for a new start to their respective lives.