The West Indies island of Portuga exists mainly for sponge diving. But the best area of collection is frequented by a very large manta ray. Nina loses her brother to the creature and is comforted by a newly arrived minister, who seems very interested...
This is the first oceanic adventure brought to the screen in sound that was loosely based on Jules Verne's novel, however, film pioneer Georges Melies produced a version titled Ulysse et le Geant Polpheme in 1905, ironically the same year Verne died....