While on a transatlantic hunt for some authentic wares to sell at her Scottish-themed shop, Peggy comes across the ghost of a 14th-century Scotsman. Now back in Vermont with her dog and spirit friend Dirk, Peggy is at her wits end trying to keep the ghost in line. Life becomes even more complicated when the local police find a body in a deserted mountain cabin, murdered. It's up to Peggy and Dirk to set aside their differences to put the cold-blooded killer under loch and key.