A single mother who becomes the first victim of kidnapper Ariel Castro finds herself trapped in his home for 11 years, where she eventually becomes a friend and sister to two other women who are taken captive by Castro.In 2002, the single mother Michelle Knight is walking to the court for the custody case of her five year-old son Joey, of whom she had lost custody. She realizes that she is late and accepts the ride from her acquaintance Ariel Castro, who is the father of a schoolmate. He lures Michelle telling that his dog delivered several puppies and he would like to give one to her for Joey. Once inside his house, he imprisons her with chains in a dark room. For eleven years, Michelle is beaten and submitted to sexual abuse and abortion. In 2003 and 2004, Ariel also kidnaps and abuses Amanda Berry, who has a child with him, and Gina DeJesus. In 2013, Amanda succeeds in escaping from the house and the police arrive and release the women.