On the lawless border world of Pandora, four “vault hunters”—a soldier, an assassin, a brute, and a powerful sorceress—are on a quest to find an legendary alien treasure. Guided by a mysterious artificial intelligence and assisted by a bizarre cast of supporting characters, these four brave adventurers battle feral creatures, psychotic bandits, and the forces of an evil corporation as they search for the mythical Eridian Vault and its promise of immeasurable wealth and power.