It's Christmas in Toronto, but after a city benefactor is murdered, Murdoch and the team investigate. However, is Krampus, the evil spirit of Christmas, the killer? Meanwhile George is facing Christmas alone, why does Brackenreid hate Christmas and what will Julia give William to unwrap?
A realistic statue of a naked woman is discovered in the park drawing scandalized on-lookers until one takes matters into his own hands. The discovery that it's a murder, leads Murdoch and Julia on the trail of what may be a sequential killer.
Murdoch is summoned by no less than Prime Minister Laurier to head off the launch of an explosive-armed missile set to be fired from Canada to New York City unless a ransom demand of $4 million is met within the next 24 hours.
When the lone holdout on the city council against a contentious fight to enact prohibition dies after a night in the cells of Station House 4, Murdoch and company investigate, even as the Brackenreid home hosts the prohibition movement's principal protagonist, Carrie Nation.
After a nearly 30-year interval, Murdoch is reacquainted with a fellow scholarship camper, a woman now working with a private investigator, who assists Murdoch in a present-day murder case linked to seven campmates apparently being targeted by the perpetrator of a murder at the camp in 1875.
Mr. Frank Parker, a white man, who was visiting an all black church for Sunday's service, was found dead by Miss James, Dr. Ogden's protégé. The new Chief Constable seems to be in a hurry to charge a black paritioner even before the crime has been investigated by Murdoch.