Story starts with the reigning boxing champion, Yoon Sang-hyun, a paragon of power and confidence, and the world-renowned ballerina, Shin Yumin, a globally renowned ballerina who harbors a cruel and sadistic side beneath her alluring beauty.Intrigued by Sang-hyun's prowess and unbroken record, Yumin views him as the ultimate conquest - her perfect prey. On the other hand, Sang-hyun underestimates Yumin's physical abilities, seeing her as nothing more than a fragile and sensual dancer. An unexpected challenge throws them into the ring together, under Yumin's terms and special conditions.It's a dark, brutally seductive story of a cruel ballet dancer's thirst for complete domination over the mighty boxing champion.