 Kang Seo-hee, Joon-jae's step-mother, hires the fugitive, Ma Dae-young (Sung Dong-il) to kill Joon-jae as a part of her scheme to inherit Heo Il-joong's fortune.She also has secretly introduced Heo Il-joong with small yet potent doses of anticholinergic and monkshood extract, contributing to his failing health, particularly his vision.Chi-hyun dutifully nurses him, completely unaware of his mother's treachery.