When Ella is mysteriously attacked on her way home from a party, her entire life changes as she finds herself at the center of an attempted murder investigation. Ella tries to move on, but her attacker isn't done yet. He shows himself in the form of horrifying signs and symbols: a clown mask strewn on her bed, a dead bird in her backpack, a shadow moving past her window in the night. And as the weeks pass, it turns out that Ella isn't the only one being tormented. With the help of an old flame, ...