Toffle is an easily frightened character who is scared of many things, until he finds someone who is even more frightened than himself. He lives in the Moomin valley but he is very lonely, so one day he embarks on an adventure to find a friend.

He meets many creatures along the way but no one speaks to him. He stumbles upon a bottle with a message from another lonely girl, Miffle, and he goes off to rescue her from the horrible Groke. On his journey he experiences the dark and bright sides of life and eventually discovers someone just as lonely as him.