The film follows the initial meeting of, and the subsequent secret relationship between Zhao Jie and Rohmer. They decide to travel to Tibet together. During their travels they are involved in an incident which leads to the death of a child. Although they are not responsible, they feel a lot of guilt. They quarrel about it and end up going separate ways. Later Zhao Jie learns that Rohmer has been in an accident on a glacier and, torn with remorse for not having helped him enough after the earlier incident, Zhao Jie goes to find him.