
Things aren't going great for Gye-jeol. She gets fired at the hospital she is doing her fellowship and nearly falls when a mysterious man saves her. She falls for him the minute she lays eyes on him, but then he disappears. The man turns out to be Professor Do Jin-woo of the Pilseong Medical Center, who hires her. However, there is something suspicious about him.
Things aren't going great for Gye-jeol. She gets fired at the hospital she is doing her fellowship and nearly falls when a mysterious man saves her. She falls for him the minute she lays eyes on him, but then he disappears. The man turns out to be Professor Do Jin-woo of the Pilseong Medical Center, who hires her. However, there is something suspicious about him.
Kokdu, the Deity of the Underworld, has possessed Do Jin Woo's body. However, Gye Jeol has no clue where Do Jin Woo has disappeared and begins to face the repercussions. Without knowing Do Jin Woo has become Kokdu, she finally finds him, only to learn that he wants to kill her.