The Christmas Haunting (S16E01)

DCI Barnaby and DS Nelson delve into a chilling case involving the deadly stabbing of a man wielded by an antique sword during a ghost-hunting event at a supposedly haunted manor. As they unravel the mystery, the duo navigates through a web of secrets and supernatural lore, uncovering hidden motives among the partygoers. The festive atmosphere takes a dark turn as they race against time to solve the crime before the spirits of the past claim another victim.