On the wedding day of grassland girl Zhuoma, groom Luosang blindly favors visiting director Lin Qingyan, privately lends out their token of love, the Gau box, and even uses a bow and arrow to attack her dowry white horse, Xuezhu, when the horses are startled. Just as Zhuoma's heart dies, Jiangcuo, who has secretly loved her for many years, rides his champion black horse and arrives right on time. In front of the crowd, Zhuoma severs a fourteen-year-old past and completes the prayer flags circumambulation at the auspicious hour with Jiangcuo. Lin Qingyan sets up schemes one after another to frame them, but the truth is finally exposed, and both she and Luosang face legal punishment. Zhuoma and Jiangcuo stay together on the grassland and finally achieve fulfillment.