Two horses returned at sunset, carrying two people. Xiao Yi and Zheng Yi looked at each other and smiled. The wind passed by them, becoming the most beautiful scenery in the sunset. From time to time, the cheerful laughter of the two people could be heard. Xiao Yi was no longer the timid woman before. She became cheerful, easy to be happy, and was used to singing prairie songs. When Zheng Yi asked her: "Why do you like such songs?" Xiao Yi tilted her head and fell into memories.