Akuma Kun, a boy raised by a demon, works with his half-human partner Mephisto III as paranormal investigators to solve various murder and mysteries.

Bardock, Son Goku's father, is a low-ranking Saiyan soldier who was given the power to see into the future by the last remaining alien on a planet he just destroyed. He witnesses the destruction of his race and must now do his best to stop Frieza's impending massacre.