Kirby's cake is stolen by a band of thieves, and he, Grill, and Gooey embark on a journey to get it back. Based off the Hoshi no Kaabii anime and Kirby game Squeak Squad.

Following the defeat of Nightmare, Kirby is pulled into a series of strange incidents, such as the battling of the sun and moon, and strange villains rising to challenge him. He is soon forced to face friends and foes alike in this story of the happenings between both the anime and the games.