Privileged and popular Caleb Mason is celebrating his high school graduation when he receives a mysterious, disturbing letter from his long-lost childhood playmate, Christine. The terrifying prophesies of the spirits are coming to pass. Sixteen clocks are ticking; sixty-six murdered souls will bring about the end of the world. As Caleb peels back layer after layer of mystery, he uncovers a truth more horrible than anything he had imagined, a truth that could only be uttered by the lips of the dead. Read more.