A romance drama about a semi-human vampire named Seon Woo-hyeol, who failed to become a human by a day out of 100 years, and a woman Joo In-hae, who doesn't have a single human decency, starting to live together and finding true warmth.
A woman thinks of revenge after her life halts at crossroads but instead starts empathizing with her mark. It's a melodrama of love, forgiveness, empathy and tragedies.