At the center of a dazzling charity gala for the blind stands Yoon Seoha, the adoptive daughter of a prominent lawmaker, shining brighter than anyone else. But to her, robbed of her sight, this grand spectacle isn’t a sanctuary—it’s a cage. Desperate to break free from these suffocating shackles, Seoha proposes a deal, staking her entire life. [Her counterpart is her arranged fiancé, Han Junhyuk—a man whispered of in the shadows as an uncontrollable mad dog. “Marry me.” “Then, I’ll make sure to leave you a widower, so I never become a stain on your reputation.” A high-stakes marriage of convenience, built upon a mutual promise of death. How will this dangerous game end?