Ji-wook is just a detective who stop at nothing to grab criminals and would cruelly assault. However, in spite of her look, Ji-wook struggles having a secret wish for a lady. To transition, Ji-wook decides at last. But a gang Ji-wook cruelly arrested revenge against him. While Ji-wook dreams of becoming into a girl and re-signs, people killed and get caught up in a conspiracy. When the one person he must protect, Jang-mi falls in peril, Ji-wook faces a cross roads.