Julie is just an ordinary girl...except for the fact that her parents have mysteriously been taken away one night. Her aunt disappears soon after and Jule decides to visit one of the biggest malls ever, the Castertown MegaMall, to escape her loneliness and fear. After being locked in the mall's biggest attraction - the WhirlyFunRide - she accidentally gets stuck in the mall overnight and discovers mysteries about lost and abandoned children and some who just ran away. No one knows about these children.