Rachel is attracted by the couple formed by Megan and Scott, a model of success, according to their own confessions. From the train that you take every day, Rachel sees the two-tier. One day, one sees on entering into a Megan tunnel but no longer sees it coming out. When it reported the disappearance of young Rachel is questioned and considered the main suspect in the case. Police came to suspect the child’s nanny because Megan was her former husband. However, Rachel was seen circling several times. In addition, after divorce, Rachel is dependent on alcohol. Desperate, Rachel tries to make single light in this case.