In the swamps of New Orleans sits an old church.Its history is steeped in blood and death.For over a century, this abandoned church has inspired fear, and the rumors of the creatures that inhabit it have kept the locals away.The church has been sold, but work on the property has stalled. Centuries-old fears resurface when accidents start to befall the construction crews and ghosts are seen wandering the derelict stone building. No one dares go back until the property has been cleansed.The Hathaway Foundation is hired to rid the property of ghosts so that work can begin again, only Emma Crane soon discovers it's not the ghosts they have to fear, but something far more evil.There was a reason the church was abandoned, a reason a powerful protection spell was put around the property, and a reason everyone from her father's priest to Silas, her demonic grandfather, is warning her to stay away.But now that she's discovered what roams the halls, she can't walk away. She can't be responsible for innocents dying when she might have prevented it.She'll gather her team and go up against something she thought existed only in books and movies, something even the hunters in the area fear-a primordial evil, a creature that spawned the first vampires.But can she stop the creature before it's too late, before its family destroys hers?