Three hundred thousand taels of gold suddenly surface in the vast desert, where rumor has it that all who seek the treasure are doomed to become vengeful spirits. An officer of the Imperial Guard sent to investigate descends into madness on his very first day. A loyal and courageous deputy envoy who has ventured too far to turn back finds himself torn between desire and honor. After her entire family is slaughtered, a woman immune to all poisons returns to the vast desert, deliberately making herself the prize every faction is determined to seize as she sets out for revenge. Beneath the vast desert's sweeping sands lie an insatiable greed for gold and a carefully laid trap designed to lure her into the deadly game. From a relay station and an armed escort agency to a general's residence, a band of martial heroes becomes entangled in a deadly struggle across the vast and desolate frontier, bringing the spirit and ideals of Eastern wuxia to life in a new light.

¿Pueden dos amantes desafortunados encontrar sus finales felices en sus vidas mortales e inmortales?

Cuando un señor fantasma malvado intenta causar destrucción, la hermosa alta diosa Bai Qian (Yang Mi) arriesga su vida y pierde sus recuerdos en su intento de encerrarlo. Cuando es enviada al mundo de los mortales para recuperar sus poderes, se encuentra con Ye Hua (Mark Chao) y los dos se enamoran profundamente.

Cuando Bai Qian y Ye Hua recuperan su inmortalidad, Ye Hua intenta ir tras Bai Qian nuevamente, pero es tratado con indiferencia. ¿Podrá Ye Hua recuperar el afecto de Bai Qian y volver a hacer que se enamore de él?

Amor eterno se basa en la novela de xianxia "To The Sky Kingdom".