Ten years ago, Ling Xuefeng visited Tibet to see his father and experienced a pure first love with a girl named Gesang Meiduo. A decade later, now a volunteer doctor, he returns to Tibet and meets a girl with the same name on the train—but she doesn’t recognize him. This new Meiduo becomes his assistant and translator, and helps him search for the girl from his past. As they journey together, they overcome cultural differences, societal expectations, and personal doubts, gradually rediscovering the innocence of that first love. What follows is a heartfelt romance between a Han Chinese man and a Tibetan woman, blooming like the legendary Gesang flower.