Not paying attention to his job, a young demon allows the evil cleansing machine to overflow and explode, turning the young demon into the infamous monster Janemba. Goku and Vegita make solo attempts to defeat the monster, but realize their only option is fusion.
The film opens with a Saiyan Space pod flying through space and crash-landing on Earth out of which a wounded Saiyan crawls out: Broly, the Legendary Super Saiyan. The wounded Broly shouts out in frustation and turns into normal form. The place soon freezes, trapping him in it and he falls into a coma.
A retelling of Dragon Ball’s origin with a different take on the meeting of Goku, Bulma, and Kame-Sen’nin. It also retells the Red Ribbon Army story; but this time they find Goku rather than Goku finding them.
In a quicksand surrounded town called Makka, rumors spread of a legendary robber named Gasback is after the town. To protect it, Mayor Kepler has hired bounty hunters. These hunters have been following Gasback from town to town in hopes of getting the bounty. Vash the Stampede is in town, along with Meryl and Milly, along with the female bounty hunter Ameria and Nicholas D. Wolfwood.