In his quest for a bride to break his immortal curse, a 939-year-old guardian of souls meets a grim reaper and a sprightly student with a tragic past.
- Genre: Drama, Sci-Fi & Fantasy, Comedy
- Studio: tvN
- Keyword: depression, high school, friendship, child abuse, suicide, regret, jealousy, amnesia, soulmates, self sacrifice, teleportation, general, grandparent grandchild relationship, afterlife, immortality, kidnapping, forgiveness, poison, telepathy, queen, supernatural, marriage, precognition, aunt niece relationship, reincarnation, telekinesis, family relationships, romance, love-hate relationship, flashback, punishment, revenge, tragedy, swordsman, murder, royalty, loneliness, fate, disappearance, grim reaper, best friend, bromance, historical fiction, orphan, wedding, car accident, king, older man younger woman relationship, historical, super power, tragic past, second chance, death, heartbreak, mental illness, hypnotism, tearjerker, first love, ghost, healing power, uncle nephew relationship, star crossed lovers, graduate, hidden identity, goblin, invisibility, rich man poor woman, past life, rich man, supernatural phenomena, death of wife, life lessons, interspecies romance, deity, immortal, cohabitation, life or death, mother daughter relationship, time skip, goryeo dynasty, supernatural being, supernatural power, age-gap relationship, secondary couple, slow burn romance, enemies to lovers, hidden past, lovers separated, student, memory eraser, heartfelt, part-time worker, elemental powers, time manipulation, meet again, sismance, family pressure, enemies to friends, contract relationship
- Cast: Gong Yoo, Kim Go-eun, Lee Dong-wook, Yoo In-na, Yook Sung-jae, Lee El