Together with her best friend, the Black Countess, the wealthy Baroness visits her abandoned house, which she wants to sell. While visiting the dark cellar dungeon they find a imprisoned servant maid, who was forgotten while moving out. First the ladies are merciful and leave her to be free. But the maid Katherine is very invidious and shows no respect! So the heavy iron is to stay around her neck, and from now on she must bear the perverse harassment of the nobles.