 Reconstituting the round table at Lancelot's orbital habitat, Arthur and his knights battle both the invading aliens as well as intrigues from Mordred and Morgan.Their task is complicated by internal tensions including the renewed love triangle between Arthur, Lancelot and Guinevere, Tristan's grappling with his gender identity, Tom Prentice's infatuation with Tristan, and Gawain's desire to see his family again.Eventually, the Knights track the origin of the alien invasion to a previously undiscovered tenth planet of the solar system.