"Sweet Whip" is a Japanese erotic thriller film directed by Takashi Ishii. The story follows a young woman named Miho who works as a nurse at a psychiatric hospital. One day, she meets a mysterious patient named Kimiko who has a dark secret. Kimiko introduces Miho to the world of sadomasochism, and the two women begin a dangerous and intense relationship. As their bond deepens, Miho becomes increasingly obsessed with Kimiko and the thrill of their forbidden desires. However, as their relationship spirals out of control, Miho must confront the dark truths of her own past and the consequences of her actions. "Sweet Whip" explores themes of power, control, and the blurred lines between pleasure and pain.