The son of a doctor, Charlie Gills, could not imagine that he would go on a dangerous voyage with adventurer Jack Blake. Pirate Francis Holford did not expect to return for Captain John Ruby, whom he had once landed on a desert island. However, they have something in common - they all dream of finding the treasure of the old sea robber Henry Davis. The Golden City he founded attracts adventurers and adventurers of all stripes. This mirage makes them, for the time being, members of the same team. How far will reckless courage and thirst for enrichment take the heroes? Will the mysterious avenger be able to restore justice and punish the offenders?..