Valmys and Fortins have been enemies for so long that no one remembers how it started. But one day, Eugene and Apolline, the two Valmy siblings befriend Helmond, the heir of the Fortin family. After ignoring them for years, Helmond reappears in their life and asks for Apolline's hand. Not only Apolline marries into the ennemy family, but Eugene has been in love with Helmond for years...