As a couple since high school, Charlotte and Adam have just had their first child. However, they are not happy and habits gradually replace enthusiasm, at the risk of separating them...
Hoping to regain the momentum of their beginnings, they decide to become guinea pigs for a revolutionary treatment supposed to strengthen the bond and desire.
In just a few days, the effects are spectacular: passion is reborn and the couple becomes even closer than they had imagined.
But if chemistry can create happiness, what happens when the treatment stops? That's when Charlotte and Adam will really discover all the crazy things you have to do to love each other?