Ramuntcho is a young man who has fallen in with a gang of smugglers, led by Itchoua, who carry their contraband across the border into Spain. He is in love with Gracieuse whose mother, Dolorès, bitterly dislikes Ramuntcho because he was born an illegitimate child. His smuggling activities force him to join the army and he is sent to Saigon and, because of her mother's desire to marry her off to someone else, Gracieuse joins a convent.