Watch Free Online HD Moviesjoy. The film tells three stories about young people during different periods of Chinese history: the development of the Great Northern Wilderness, the Large-scale Development of Western Chinese, and the new era of socialism. Countless young people, filled with passion, integrated their personal ideals into the current of the times and composed a song of youth. Through the ordinary stories of young people, the film depicts the great development of the times and showcases the patriotic spirit of generations of young people.