An orphan becomes the host of a sentient demonic sword, and must fight to protect those he cares about while he battles his own demons.
A young woman (Suzy) who dreams of the future but can never change it meets a prosecutor (Lee Jong-Suk) with the same ability, who can alter time.
Private eye Yoon San (Lee Joon) uses his vampire powers to solve cases and help people. He realizes that his past might have something to do with a case.
A vampire surgeon (Ahn Jae-Hyeon) on the hunt for his parents’ murderers struggles with his thirst for blood, and falls in love with a beautiful doctor.