Ever since Mack Rhino solved his hundredth case, it's been quiet in Coral Cove--too quiet ... until Candy Cat comes to town, and his candy cart is the cat's meow. He can't keep customers away. but then alarm bells suddenly start ringing, first at the museum, then at the bank, and finally at a jewelry store. The odd thing is that nothing appears to be missing. Does Mack have a new case on his hands, or just a bunch of false alarms?