Cathy O'Connor has seen it all. Her dad owns the local Haunted Horror Museum, a popular location filled with spooky items. The museum has been trying to get its hand on a real mummy for a long time. And this year, a mysterious mummy, Arragotus, has arrived. But when Slappy is dropped at the museum's doorstep the night before Cathy's class is coming, scary things start to happen. The dummy meets the mummy, and nobody is safe. Will it be a wrap for Cathy's friends and family?