Every time Jak falls asleep, his Light and Dark alter egos emerge from his body for a handful hours of freedom until Jak awakes, and they are sent instantly back into his mind. What type of adventures will they have without our hero as he sleeps?

War has erupted in the Wasteland between the citizens of Haven and Spargus Cities, the Metal Head hordes, and a new army of Krimzon Guard war machines. Set one year after the events of Jak X: Combat Racing.