Johanna Harrington waits eagerly at her cottage on the edge of the jungle that flanks the Devil's Island penal colony for the arrival of her father Steve Garrington, her sweetheart Dario, and Andre Dion, an innocent convict. The three had made good their escape several day before. Andre arrives first with news that her father had been killed. He falls in love with Johanna and is in her arms several days later when Dario arrives. Furious, Dario turns Andre back into the jungle only to learn that it is he that Johanna really loves.