Joo Ree-Ha has been considered strange ever since she was a little girl. She spends a lot of time alone. She is interested in things no one else is. She often gets looked down on for being different. One day she crosses into a dark alley and sees a dark figure eating rodents alive. She escapes and tells people what she had seen, but nobody believes her. Ever since then, she sees the dark figure everywhere. Over and over again. She desperately tries to warn everyone, but people only call her crazy. So she goes back to the alley in search of the dark figure to find proof of what she's seen. The next thing she knows, she wakes up in the underworld, a place unknown to anyone. Unless you were dead, that is. She learns that she is not only a prisoner, but she is engaged to none other than the devil's spawn himself. Will Ree-Ha escape her dark and cruel fate, or will an unlikely romance spark between her and her abductor first.....?