Ever since her ex-boyfriend left her, Martha has been raising her son alone. One day, she gets an offer to work for Lewis Mansfield as his niece's nanny. Lewis needed someone reliable to accompany him to St. Bonaventure, which happens to be where Martha's ex-boyfriend works. She hopes this job will be a good chance to reunite with her ex. Lewis, who gives her the cold shoulder, looked stern and difficult at first, but shows a softer side with children. Now every time Martha sees his warm smile, she cannot stop her heart racing...