The crumbling mansion of a dead man is being torn down. Suddenly mysteries come alive within the old house! A green ghost oozes through the walls. A secret room reveals an open coffin. In it lies a grinning skeleton - wearing a string of priceless Chinese Ghost Pearls.
Then the ghost disappears, and the pearls do too. And the Three Investigators start sleuthing - on one of their weirdest cases ever!