When Aku is reborn to set forth his reign of terror, the Emperor's son is sent off to learn the ways of the samurai. That boy becomes a man and attempts to slay Aku with a mighty sword, but Aku banishes him to the future.
Jack and a Swamp Wizard travel to the four corners of the earth, collecting pieces that are meant to get Jack home. But when Aku reveals himself to be the Swamp Wizard, Jack must battle these pieces which are now being puppeteered by Aku's evil hands.