Florence and Vincent Leroy are a model couple. They have great jobs, a perfect marriage and delightful children. And now they want their divorce to be an equal success. But when they are both simultaneously promoted to their dream jobs, their relationship becomes a nightmare. From that moment on, the gloves are off, the two exes declare war and will do everything in their power to NOT have custody of their children.

Two years have passed. After missing their separation, the Leroy seem perfectly successful in their divorce. But the appearance of two new lovers in the life of Vincent and Florence will set fire to the powders. The match between the former spouses resumes.

Summer, 1988 in Corsica. Vanina, fourteen years old, paints the town red with her cousin and sixteen-year-old sister. The teenagers slip out of the house on the quiet to go and dance and meet up with boys in the only nearby disco.