After a death in the family, siblings Angelica and James Zacherly travel to the small town of East Willard on Christmas Eve to pay their respects. They stay at a homely bed and breakfast where they learn the legend of Black Peter, Santa Claus’ vengeful brother. But when they find the lost journal of Jeffrey Butler, they discover the town has its own sordid history – one more rooted in reality.

Bus driver Stan Butler agrees to marry Suzy, much to the anguish of Mum, her son-in-law, Arthur, and daughter Olive. How, they wonder, will they ever manage without Stan’s money coming in? Then Arthur is sacked, and Stan agrees to delay the wedding. Meanwhile, he hits on an idea: Arthur should learn to drive a bus. Somehow he does just that, and even gets a job. Stan then blackmails the Depot Manager into giving him the job of driver on the new money-making Special Tours Bus. A great idea …if only the inspector hadn’t taken Stan on his trial run to the Windsor Safari Park

Clue finds six colorful dinner guests gathered at the mansion of their host, Mr. Boddy — who turns up dead after his secret is exposed: He was blackmailing all of them. With the killer among them, the guests and Boddy’s chatty butler must suss out the culprit before the body count rises.