Some guy named Ethan Davis has been texting Cassie. He seems to know all about her—but she can't place him. He's not in Bridgewater High's yearbook either. Cassie thinks one of her friends is punking her. But she can't ignore the strange coincidences―like how Ethan looks just like the guy in her nightmares. Cassie's search for Ethan leads her to a shocking discovery―and a struggle for her life. Will Cassie be able to break free from her mysterious stalker?