While visiting a museum, the gang learn about the legend of Ankha, a 3000-year-old mummy. Legend had it that the mummy will come back alive and turn people to stone if he is removed from his tomb. Shaggy later finds a coin inside his pocket from the exhibit, and when the gang go back to return it, they find the mummy has come to life and turned the professor to stone, and now he wants Shaggy’s coin.