Im Da Som, the grim reaper that has no recollection of her past life is in the quest to remembering who she was while working as the head grim reaper of the After Life's Akgwi prevention team: grim reapers that saves people from being murdered by evil spirits. Accompanied with her work mates, Lee Jung Won, a clumsy young grim reaper that is scared of bloody spirits, Baek Byung Jo, a 300 year old Da Som's work partner, and the newly hired Da Eun that was recently killed by an evil spirit. Together, their team does its best to save people from evil spirits no matter what hindrances even if it be the ghosts of their pasts, or other after life department teams that would be against their way.