Following a dark story of sheep theft, Loup, nephew of Mark, the leader of a small community living in a tent city by the ocean in Connemara (Ireland), confronts Morholt, leader of a neighboring tribe. Severely wounded, he kills his opponent. For homicide, the representative of order and law, "the bishop", condemns him to go and find a bride for his uncle, Sedrid, famous in the whole country for his superb red hair.