Tres contrabandistas recogen a una muchacha que va a Puerto Esperanza mientras navegan por el Alto Paraná y se la disputan pero ella acaba yéndose con un desconocido.
The film is based on an old Argentine legend about an Aztec girl who is raped and murdered by vandals and dumped in a river. A flower blossoms at the place in which she was killed and misfortune falls upon the culprits.