In "The Gods of Mars", John Carter returns to Barsoom after ten years and lands in the deadly Valley Dor, believed to be Mars's paradise. Instead, he discovers it's ruled by the manipulative Therns and the terrifying Plant Men. Battling cults, monsters, and political intrigue, Carter fights to expose the lies enslaving Barsoom's people, reunite with Dejah Thoris, and prevent a war that could destroy the planet.