Steve tries to get near the burning car to rescue Amy but the flames are too fierce. Tracy, convinced that Karen's killed Amy, jumps in Steve's car and drives off, like a woman possessed. Tracy runs Karen over in Steve's car. Karen manages to scramble up the factory steps and bangs on the door. Hayley, who's mending Claire's dress lets her in. Tracy, wielding a crook-lock forces her way in after Karen, threatening to kill her. Steve's relieved to find that Amy's safe and sound with Roy. Steve arrives at the factory and tells Tracy that Amy's safe, but Tracy doesn't believe him, thinking he's just trying to save Karen from her fate. Tracy and Karen continue to fight on the factory roof. Steve arrives just in time and forces Tracy to look down where she sees Amy in Roy's arms. Tracy, cradlin