With a sharp mind but missing a few screws, the new student Bae Geum-joo decides to join the club after encountering Jang Han-wool. However, as their bond deepens, the shadows of the past start to grip Geum-joo's evolving emotions. Instead of seeking pure love, she yearns for possession, and rather than mere excitement, she relentlessly pursues unwavering certainty. What does Geum-joo truly desire? Experience the bittersweet and spicy flavor of "Rotten Pink Law" (without going overboard!).