Dave, an artist who has yet to complete anything significant in his career, builds a fort in his living room out of pure frustration, only to wind up trapped by the fantastical pitfalls, booby traps, and critters of his own creation.
Oh, a lovable misfit alien, runs away from his planet and takes shelter on Earth, where he befriends Tip, an adventurous young girl who is on a quest to find her displaced mother Lucy.
