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.

The Samurai lands in the future and is named Jack. He is enlisted by a race of dogs to destroy Aku.

Jack gets weapons and beats back Aku's army of beetles saving the canine race.

Jack and a mysterious woman go on a quest in an attempt to resolve their personal goals.

Aku hires the best hunters in the galaxy to track down the most elusive of prey - Samurai Jack.