The story starts with the day when Joon Ho is about to propose the girl he loves, Ahn Seo Young but gets a heart attack and ends up in hospital. Lying in hospital bed when Joon Ho opened his eyes he saw a scary face who called himself A Dokkaebi (goblin). The Dokkaebi explains him how he ended up in hospital. The dokkaebi (goblin) once known for its nature of playing mean tricks on bad people and rewarded good people with wealth and blessings tricked a young couple (Lee Yeon and her fiancé Jo Won Ho) who were about to get married to play a game. The game had few rules: #Rule1: To prove he really loves Lee Yeon he will have to find where dokkaebi is hiding Lee Yeon within 20 mins after the game starts. #Rule2: If he fails to find Lee Yeon, she will die. #Rule3: He cannot quit the game even after their death so they will have to take birth again and in every birth they will have to try and find Lee Yeon to win the game. #Rule 4: He will have to remind her how the story started or else he