A seductive psychological thriller about a woman facing the dark truths at the heart of her familyJeanne Cross's contented suburban life gets a jolt of energy from the arrival of Ali Mather, the stunning new music teacher at the local high school. With a magnetic personality and looks to match, Ali draws attention from all quarters, including Jeanne's husband and son. Nonetheless, Jeanne and Ali develop a deep friendship based on their mutual vulnerabilities and long-held secrets that Ali has been recording in her diary. The diary also holds a key to something darker: Ali's suspicion that someone has been entering her house when she is not at home. Soon their friendship will be shattered by violence—and Jeanne will find herself facing impossible choices in order to protect the people she loves.