How to Send Your Husband to Hell

Helena Winston, the glamorous queen of aristocratic society. When the crown prince suddenly confesses his love to her, the empress makes her a secret proposal. "Marry the man I choose for you. And tell me all his secrets." Helena, who had no interest in marriage, becomes the empress's spy to uncover the secrets of the suspicious Count Benjamin Ischpern... But isn't this man a completely different lunatic on the outside and inside ?! After learning of his sinister intentions, Helena makes up her mind. She will send her husband to hell.

(Source: Naver, translated)