Xander, Ralen, and Jett finally return to Earth, only to find it completely devoid of life with the exception being a mysterious and amnesic Jax; now they will need to work together to unravel the strange mysteries of this surreal world.

Jax races against time to save the Universe from complete destruction before the Ancients can render their final judgment, as Xander covertly pursues his own plans for redemption.