Investigating the brutal murder of one nun and the critical injury of another within a cloistered convent, medical examiner Maura Isles and homicide detective Jane Rizzoli stumble upon long-buried secrets that link these horrific crimes.

When her sister, a novice nun named Sister Camille, is found brutally murdered at St. Marguerite's Cathedral in New Orleans, Valerie Houston, convinced that the police aren't doing enough, investigates and discovers that a depraved killer is determined to purge St. Marguerite's of all its sins.

"Two decades into her calling at a New Mexico monastery, Sister Evangeline Divine breaks her daily routine when a police officer appears, carrying a message from her father. Sister Eve is no stranger to the law, having grown up with a police captain turned private detective. Shes' seen her fair share of crime--and knows a thing or two about solving mysteries. But when Captain Jackson Divine needs her to return home and help him recover from surgery,...

The horror of one night is forever etched in Matt Hunter's memory; the night he innocently tried to break up a fight-and ended up a killer. Now nine years after his release from prison, his innocence long forgotten, he's an ex-con who takes nothing for granted. With his wife Olivia pregnant and the two of them closing on a house in his home town, things are looking up. Until the day Matt gets a shocking, inexplicable video call from Olivia's phone....