Louise's date with doctor Patrick Carter is interrupted when she has to attend at a train wreck,caused when an elderly woman driver died at the wheel and crashed her car on the line. Jackson had tried to save her and is in turn rescued by Reggie,a young nanny who knew the dead woman and wants him to locate her employer Joanna Hunter,a doctor,who disappeared with her baby son. She is not convinced by Joanna's husband Neil's story that they are staying with an aunt. Using the identity of Andrew Jones,a man whose wallet Reggie picked up from the railway lines in mistake for Jackson's they hire a car and discover that Neil was lying about Joanna's alleged visit to her aunt. Then Jackson is arrested, as Andrew Jones is a wanted man.

Louise vouches for Jackson,who is released,the real Andrew Jones killing himself,though a sinister link is established between him and an incident from Joanna's girlhood. Through Reggie's brother Billy, Jackson learns that Neil knows more about his family's disappearance than he claims and together Reggie and Jackson track Joanna and her baby down. Jackson's working day is not over, thanks to an obsessive husband in a divorce case.