Marion Sharpe and her mother seem an unlikely duo to be found on the wrong side of the law. Quiet and ordinary, they have led a peaceful and unremarkable life at their country home, The Franchise. Unremarkable that is, until the police turn up with a demure young woman on their doorstep. Not only does Betty Kane accuse them of kidnap and abuse, she can back up her claim with a detailed description of the attic room in which she was kept, right down to the crack in its round window. But there's ...