Assisting a friend in a search for a kidnapped woman, detective Charlie Parker links the abduction to a church of bones in Eastern Europe, a 1944 slaughter at a French monastery, and the myth of an object known as the Black Angel.

When the discovery of a mass grave in northern Maine reveals the truth about the disappearance of a religious community, private detective Charlie Parker becomes embroiled in a deadly conflict with a group of religious fanatics.

"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....

"In Maine, Colleen Clark stands accused of the worst crime a mother can commit: the abduction and possible murder of her child. Everyone -- ambitious politicians in an election season, hardened police, ordinary folk -- has an opinion on the case, and most believe she is guilty. But most is not all. Defending Colleen is the lawyer Moxie Castin, and working alongside him is the private investigator Charlie Parker, who senses the tale has another twist,...