Constable Benton Fraser, an officer of the Royal Canadian Mounted Police, is attached to the Canadian consulate but works with Chicago Police Department to solve crimes.

Shen Yan, a detective, teams up with unlikely allies to solve a series of murders linked to stolen sacred artifacts. As they follow a trail of clues, they uncover a decades-old mystery that holds the key to stopping the killer.

In the Dorset village of Fleetcombe, the village pub's landlord is found murdered. Detective Nicola Bridge must unpick a web of lies and rivalries to unmask the killer.