Anaïk, a lovely Breton girl, is engaged to Yvon, a sailor on the destroyer Amphititre. They plan to marry after his return. During his absence, Anaïk gets to know Bernard Grandval, a painter from Paris, and his daughter Simone. Enchanted by the young Breton's beauty, Bernard makes her his model and gradually falls in love with her. When Yvon's ship is reported lost with all hands Anaïk is devastated but Bernard, though sympathetic, starts hoping he will marry her some day. Alas for him Yvon reappears against all odds; he is the sole survivor of the shipwreck of the Amphititre...