Almost all the kids break school rules sometimes. Usually they get away with it. Not in the case of Ann. She ended up trapped in the school building with no apparent way to get out. But she isn’t planning to stay here all weekend, so she decides to check every nook and cranny just in case. Set out on this intriguing trip around the campus during which you will make a lot of amazing discoveries and maybe even unravel some of the dark school mysteries your had no idea about!