Years after Dragon Ball GT, the Z Fighters confront a powerful threat causing chaos on Namek. Summoned by mysterious beings, they soon face an equally formidable new enemy when the beings' true nature is revealed.

Taking place many years after the events of Dragon Ball GT, the Z Fighters are called forth by a group of mysterious beings to help them face a powerful old threat that's been causing havoc on Planet Namek. However, these beings are not who they seem to be, as the Z Fighters now find themselves faced with an equally powerful new threat as well.—Tony Baloney