For hundreds of years, the reaper 'Ari,' who guided souls to the afterlife, felt lonely because she had no head and no one recognized her. Then, a human named 'Woocheol,' who could see Ari's head, appeared and offered to help her find it. Will Ari be able to find her head and ease her loneliness? This is a romance drama about Ari and Woocheol, who travel between the afterlife and the living world.