A hundred years ago, Yunyang rescued a little girl during the war and chaos. A hundred years later, the little girl has become an old lady. Her last wish before her death is to see Yunyang again. At this moment, Yunyang is delivering food in Jiangcheng. A hundred years have passed, and Yunyang is still young. Yunyang has lived for thousands of years, but has never been able to become an immortal. In order to seek an opportunity to become an immortal, Yunyang has no choice but to enter the world of mortals...