Although separated at birth, Siamese twins Fabien and Louis de Franchi remain united emotionally. One day, Parisian Emilie de Lesparre arrives in their Corsican village with her father, and both brothers fall in love with her. Louis goes to Paris to study law and sees Emilie often, but Emilie loves Fabien who has remained in Corsica with their mother. While attending a dinner given by another admirer of Emilie's, M. Chateau Renaud, Louis is drawn into a duel with Renaud and killed. Back home, Fabien senses what has happened and journeys to Paris to avenge his brother's death. After he kills Renaud in a duel, Emilie finally confesses her love to Fabien.