Following a huge misunderstanding, two friends always decide to tackle everything to make up for lost time.

Elisa is only forty when an incurable disease takes her from her husband and their daughter. Before her heart stops, Elisa finds a way to stay close to her: a gift for every birthday up to her adult age, 18 gifts to try to accompany her child's growth year after year.

Stéphane defers his frustration at not having had a son on his sons-in-law. So when her younger daughter decides to leave a rugby player than the idolatrous father for a doctor he can not stand, he will do everything to get his son-in-law back. His daughter will not let it go.