Happily settled in her cozy cottage with its resident ghost, Cass Peake looks forward to Halloween. Then another corpse is found on her beachfront. With the support of family and her ghostly roommate, Cass investigates. To her dismay, she finds the murder victim handled her goofy neighbor's trust fund and he was in dire need of money. The suspect list grows with a former husband, another needy relative, and a maybe shady accountant who suddenly disappears. To top it all off, rumours circulate about treasure hidden in Cass's cottage.
Detective George Ho doesn't like his ex-girlfriend snooping around. Despite that, sparks still fly between him and Cass. But superstitious George has no idea Cass's home is haunted. Can Cass solve the mystery and renew the romance with her ghost-adverse ex?