When antique dealer Lawrence finds out that his brother Jimmy has stolen a historical artifact, he hires McGill and Gropper to retrieve it.

Unlicensed private investigators, the two operate out of a diner and will do whatever it takes to get the job done. Soon, they find out that the case is not as clear-cut as they expected. But can they figure out what really happened?

In this third book in Andrew Davie's McGill and Gropper Thrillers series. you'll also learn more about the duo's past, including Gropper's nomadic life and McGill's previous career as a police officer, and their early days as PI's.