There are times when time runs out, and times when even the heavens change.
Long ago, the immortals and demons fought. The demons were defeated and sealed away in the dark, frigid Abyss for all eternity, while the Immortal Realm no longer wished to concern itself with mortal affairs. It sealed its gates and settled into the eternally peaceful Heavenly Realm. From then on, all kinds of tales of immortals spread among mortals, but not a single immortal ever appeared again.
That is, except for Qing Yu, who is destined to become a carefree, happy demon immortal with a lover on each arm...