When a handkerchief is left at Hinata's family's veterinary clinic, he and Chris take on the job of returning it to its rightful owner. But when Chris tracks its scent, the pair find themselves in front of a haunted house. And is that a z-z-zombie?! Hinata has no time to be afraid, though, he's got to protect Chris! What mysteries lie inside the haunted house, and just who left behind that handkerchief?