Léa Durand is a teenage girl passionate about cycling, whose family has suffered serious financial difficulties since the death of their father. Following numerous debts, the Durands receive threats of eviction from their house, the situation becomes critical. It was then that Léa found an advertisement talking about a bicycle race with a large sum of money at stake, which could help reimburse accrued charges. Between conflicts, secrets, and acceptance of the other, Léa will do everything to win this race by meeting people that will turn her life upside down.