When Yoon-cheol kills Dr. Min Seol-ah to protect his and Seo-jin’s secret, the final chain of their mutual destruction is forged. He is not a husband; he is an accessory. Their divorce is not a heartbreak but a corporate merger gone bust. In the end, Yoon-cheol betrays Seo-jin to save their daughter, proving that the only genuine love in his heart was for Eun-byul—not for his wife.
Yoon-cheol begins as a seemingly sympathetic character—a brilliant neurosurgeon and department head at Hera Palace’s affiliated hospital. But his marriage to Seo-jin is a classic deal with the devil. He married her for her father’s money and influence, trading his dignity for a shortcut to power. Seo-jin, in turn, married him for a respectable facade and a talented consort who would never outshine her.
Every subsequent "husband"—Yoon-cheol, Dan-tae—is a stand-in for her father. She seeks powerful men who will validate her, only to realize that like her father, they will ultimately betray or discard her. The tragedy is that the most important man in her life, her husband in the patriarchal sense, was never a lover at all, but her first abuser.