When the alluring Chun Duna reappears in town, the lives of two men collide in turmoil. Woo Haesol, a reserved student with a hidden desire for submission, and Professor Byun Minho, a staunch male chauvinist who sees Duna as his adversary, find themselves entangled in a heated confrontation. As emotions run high, a twisted dynamic of pain and pleasure unfolds, overseen by a cruel and captivating figure.