Kkok Du was a male human who was a part of Korea’s past. The gods have transformed him into a grim reaper immortal who is required to visit the mortal world every 99 years, to brutally penalize humans for their weakness and fragility. He’s come to dislike humankind and is now brutal and cruel. When he enters the mortal world this time He “possesses” the body of the promising young medic Do Jin Woo.
However, he discovers his goal to bring souls into the afterlife in danger by the need to fulfill Do Jin Woo’s medical obligations. Then he crosses tracks with Han Gye Jeol, a doctor who graduated from the lowest-ranked Medical school located in South Korea. Despite her lackluster background However, Kkok Du discovers that Han Gye Jeol has mystical abilities – and appears to be under her influence. Could the fate of Han Gye Jeol be linked to hers from a previous time? What is the reason she has the ability to seduce him to such a degree? Can he accomplish his goal or will it be slowed by the attraction of love?