A French family with two daughters, 10-year-old Laure and 6-year-old Jeanne, moves to a new neighborhood during the summer holidays. With her tomboy ways, Laure is immediately mistaken for a boy by the local kids and passes herself off as Mickaël.

Successful woman in love tries to break her family curse of every first marriage ending in divorce, by dashing to the alter with a random stranger before marrying her boyfriend.