Jung Gu-won, originally a human named Seo Yi-sun from the Joseon era, became a demon after falling in love with a courtesan named Wolsim. He has roamed the Earth for 200 years, making soul-binding contracts with humans. As a demon, he possesses immortality and the power to exploit human vulnerabilities. Initially cynical and detached, his personality changes after meeting Do Do-hee, a devilish heiress, becoming more protective and caring. He loses his demonic powers after a fateful encounter with her, which are transferred to her. To regain his powers, he enters into a contract marriage with Do Do-hee, leading to unexpected happiness and challenges.
Jung Guwon has been suggested to play 25 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.
