Based on Jack London's eponymous novel.

In search of the treasures of old Morgan, Francis and Henry Morgan and Leoncia are captured by a local Mayan tribe. They are accompanied by a friend of the family - the treacherous Torres, who for many days has been secretly "sticking sticks in the wheels" to friends. He even managed to admit that he was involved in Uncle Leoncia's death. But this time the heroes owe him his life - in the cave he snatched a metal helmet, which turned out to be an ancient relic. Because of him, the aborigines recognize in the man God, who according to legend was supposed to appear in the tribe on this particular day. Later, the Indians still decide to kill the uninvited guests. And here appears Henry, who rescues his friends and subdues the heart of the local wizard Akatava, despite the fact that he is already engaged to Leoncia, Akatawa confesses to him in his feelings, but marries Francis. Meanwhile, the leader wants to kill the sorcerer and all her guests, which is why a real civil war begins on the island.