Dragon Ball Z: Fusion Reborn, the twelfth Dragon Ball Z movie, was released in Japan.
A mischievous entity inside Other World creates an evil aura that resurrects all the deceased as ghosts, leading to chaos.
The evil aura causes the deceased to become ghosts who escape to the living world, threatening to disrupt peace on Earth.
Goku arrives on Earth to investigate the strange ghost disturbance and the merging of the living world with the Other World.
Goku confronts the primary antagonist Janemba, the powerful demon responsible for the evil aura and dimensional chaos.
Vegeta joins Goku in fighting Janemba to stop the chaos and restore order to the universe.
Goku and Vegeta perform the Fusion Dance, successfully fusing into Gogeta, to gain the power needed to defeat Janemba.
Gogeta overpowers and destroys Janemba, restoring peace and order between the living world and Other World.
The evil aura is dispelled and souls return to their proper places, restoring balance between the living world and Other World.