Tyler Clarke is on the red eye to New York City. Two days ago she received a cryptic voice mail from her sister, asking for help - but she didn't say why. And now that Tyler has arrived, Jessica is nowhere to be found. In order to find out what has happened, Tyler must delve into a world of darkness and lies, the underbelly of a spiritually depraved community living in a deconsecrated cathedral. They call themselves "The Collective" and Jessica is one of them. Tyler is faced with the ultimate question, is she ready to risk her own life to save her sister?