Ellie Jacobs is turning twelve and chooses to have a party at her home. She finds an unfamiliar door at the end of the hallway. When she goes to take a small peek she falls in! Ellie lands in an unusual room that looks familiar but she can't seem to find out where she saw it. The room leads to many other worlds and dimensions. But she was tempted to go to the small door in the back. Puzzles and challenges slow her down during her journey. She has to get home before her birthday ends or else she will to be stuck in the world forever! Will Ellie make it home in time?