Complex sentence: The film is based on a true story: the tragic life of China's first prima donna of the silver screen, Ruan Lingyu, this movie documents her rise to fame as a movie actress in Shanghai during the 1930s.
Split into simpler sentences: The film is based on a true story: the tragic life of China's first prima donna of the silver screen, Ruan Lingyu. This movie chronics her rise to fame as a movie actress in Shanghai during the 1930s.