"Still recovering from his life-threatening wounds, private detective Charlie Parker investigates a case that has its origins in a Nazi concentration camp during the Second World War. Parker has retreated to the small Maine town of Boreas to regain his strength. There he befriends a widow named Ruth Winter and her young daughter, Amanda. But Ruth has her secrets. Old atrocities are about to be unearthed, and old sinners will kill to hide their sins....