In the Metropolitan Police's smallest department, the Heritage Crime Unit, an art-loving detective tackles cases connected to the world of art, antiques, collectibles and cultural heritage.

Working as a CIA field agent, Becky is sent undercover to Poland to infiltrate a family of innkeepers running a tourist venture at The Wolf’s Lair, Hitler’s WWII bunker. After learning that the father, Wilhelm Reuss, is on a mission to bring about the Fourth Reich, Becky takes matters into her own hands.

In Spring 2020 when five students and two faculty members from the Mid Ulster College of Art go missing in a forest on the north coast of Ireland. What happened on the day they disappeared has remained a mystery - until now.