The souls of the dead who walk across the Naihe Bridge must drink a bowl of Mengpo soup in order to forget the troubles of the past life and to be reborn without worries. At the waterside of the Forgotten River, the Emperor of Heaven gave me an immortal soul, but also deprived me of my freedom, because the sinful girl who guarded the Forgotten River has been freed, but someone still has to take over the responsibility of giving people forgetfulness.