Long ago in a distant land, a Japanese emperor who was also a mighty warrior saw his land overtaken by a shapeshifting demon known as Aku. To defeat Aku’s evil, the emperor turned to the ancient gods ...

It's been 50 years since we last saw Samurai Jack and time has not been kind to him. Aku has destroyed every time portal and Jack has stopped aging, a side effect of time travel. It seems he is cursed ...