A benevolent Count Dakkar rules a volcanic island, where he's eliminated social class divisions. His daughter Sonia and her fiancé Nicolai Roget, a scientist, have built a submarine. Just as they're about to test it, the island is invaded by the despotic Baron Falon.
The Mysterious Island
Count Dakkar, a benevolent leader and scientist, rules over a volcanic island where he has abolished class distinction, creating a harmonious community.