Halloween has finally arrived in the town of Green Lawn, and the fancy Shangri-la Hotel has been completely transformed into a terrifying haunted house. A giant, scary green ogre stands right out front to welcome the brave guests inside. Bradley, Brian, Nate, and Lucy are completely ready for some spooky, chilling fun, until they realize something very alarming is happening. The kids who walk into the haunted hotel are simply not coming back out the other side. Even though everyone knows that ghosts and ogres are not actually real, the four friends have to figure out exactly where the missing trick-or-treaters are going in the dark. Grab your trusty flashlight and step inside the creepy hotel to help the detectives carefully search the dark, winding hallways. You will have to face your fears and follow the spooky clues to solve this exciting holiday mystery.