God has abandoned the world. As a result, life cannot end nor can new life be born, and the "dead" walk restlessly among the living. Granting one last miracle before turning away forever, God created "gravekeepers," mystical beings capable of putting the dead to rest through a proper burial. Ai, a cheerful but naïve young girl, serves as her village's gravekeeper in place of her late mother. One day, a man known as H...