Heartbeat is a love story between the half-human and half-vampire Seon Woo Hyul, who was unable to become human due to a one-day difference over 100 years, and Joo In Hae, a woman who has no humane side and finds true warmth.
Seon Woo Hyul is a vampire who wants to become a human but ended up becoming half-human when he woke up a day before completing his 100 years of sleep. Meanwhile, Joo In Hae is a modern lady who shows no compassion about him and only wanted to survive. Will they find love and learn to care for each other now that fate brought them together?
(Source: IM YourOnlyOne at MyDramaList)
