Han Qi Lu, a young master, always keeps his distance from the opposite sex because he has a "strange disease" that makes him allergic whenever he touches them. But he does not get allergic only when he touches An Chu Xia, a motivated "Cinderella" who accidentally entered his house. So, at the request of Han's mother, an action to "save the allergy" that develops into a romantic relationship later gets started. While she is treating him, An Chu Xia gradually finds out the secret of Han Qi Lu's "strange disease"...