High above the earth, on a giant rainbow cloud, Princess Mermicorn and the Gingerbread Lion play a game of hide and seek with their friends, Puss Puss and Eddie the Eagle Beagle. Meanwhile, on the dark and stormy cloud, Trumpy Bum Face sees the friends playing without him and becomes jealous. When Puss goes missing, the three friends embark on an adventure to save her, and Trumpy learns an important lesson.