The little mermaid has no idea that as she makes her way on land, she's being watched over by the sister of the very witch with whom she made her bargain. She has no idea that the witch's sister is falling in love with her.When the prince decides to marry another woman, the little mermaid's secret helper offers her a chance to live. But the price may be too high...Walking on Knives contains some explicit content and a scene with dubious sexual consent.