Zach, Poppy, and Alice have been playing make-believe games together for years, creating worlds of characters with their action figures and dolls.They take turns leading this continually changing game, but ruling over all is the Great Queen, a creepy bone china doll. Just when it looks like the three might be growing up and leaving the game behind, Poppy reveals that she is being haunted by a girl whose ground-up bones lie inside the Great Queen.Reality and make-believe begin to blend, and the three head out on an adventure they will never forget.