Now who doesn't like a well executed bit of Gothic mystery? Jean Simmons ("Caroline") inherits a great deal of money from her father, but until she becomes of age she must move into the ramshackle stately pile of her kindly uncle "Silas" (Derrick De Marney). Well, at least he sounded kindly - but once she is safely ensconced in his home, it soon becomes clear that he hasn't two brass farthings to rub together and so has his beady eyes on her fortune. The house also entertains his peculiar son "Austin" (Reginald Tate) and her conspiratorial governess - the nasty piece of work that is "Madama de...