Gokuu Son and his companions get ambushed by three unfamiliar individuals while camping. They engage in a brief scuffle, but Cooler barges in, seeking vengeance for his sibling Frieza's loss. Cooler relentlessly pursues Gokuu, making him his prime target, along with his accomplices. Despite Gokuu and his son Gohan lying low, Cooler and his colleagues remain dogged in pursuing them to execute their vendetta, feeling displeased with the current situation.