When the body of young novice Sister Camille is found garroted in St. Marguerite's cathedral, New Orleans Detectives Bentz and Montoya are called in. Bentz is sure Father O'Toole is their man. But there are other suspects, too, including a ruthless murderer believed to have died years ago.

When a copy of his first wife's death certificate arrives in the mail, emblazoned with a red question mark, New Orleans detective Rick Bentz follows the postmark trail to Los Angeles, returning to the painful memories he's tried so hard to forget, and straight into a killer's web that catches Bentz as the prime suspect.

It should be the best day of their lives. Too bad they never get to see it. On the cusp of their twenty-first birthday, he strikes. His victims are always twins, their ritualistic murders planned in exquisite detail, down to the moment when they breathe their last together. A possibly innocent man is in prison, and Brianna Hayward needs to convince the New Orleans police. Not just to free her cousin, but to save others who will suffer until the true...

When a victim surfaces bearing the signature of serial killer Father John, a fake priest who used the sharpened beads of a rosary to strangle prostitutes, Detectives Bentz and Montoya are convinced the monster is back and he will not be stopped until the last sinner has paid the ultimate price.