In remote mountain villages in western Hunan, there is an ancient occupation - mourning mothers. They are not ordinary mourners, but can "empathize" with the dying person through specific mourning tunes, see the most important scene in their life, guide them to die peacefully, and prevent them from turning into ghosts due to obsession. This skill is passed down from female to male, and only one person in each generation can inherit the "real mourning tune". If there is no one to inherit, the dead souls in the village will not be able to rest in peace, and the village will gradually be shrouded in "ominous".
