Bill Miller has it all: a beautiful wife, great kids, and a fulfilling academic career. Somehow, it's not enough. A feeling of purposelessness leads the assistant professor into the arms of an extremely alluring co-ed, Jenna Wade. By the time he comes to his senses and ends the affair, it's too late. Bill soon finds that adultery and the possibility of divorce are the least of his worries. His infidelity has set in motion a diabolical force that will change his life and threaten his family with horrors worse than death.