What does the movie One Step Beyond say?

"One Step Beyond"expresses the criticism of the ugliness of human nature revealed in the one step between the rule of the late Qing Dynasty and the founding of the new China, and most importantly expresses the mentality of these people when faced with choices, and what kind of mentality they hold to choose.

"One Step Beyond" Synopsis:

"One Step Beyond" is a drama film produced by Beijing Buyei Film Culture Development Co. Ltd. and directed by Jiang Wen, starring Jiang Wen, Ge You, Zhou Yun, Shu Qi, Wen, Wang Zhiwen, Hong Huo, Liu Li Nian, and Na Ying, which was released on December 18, 2014 in theaters in mainland China.

The movie is adapted from the "Yan Ruisheng Case", which tells the story of adventurer Ma Qianri, who breaks into Shanghai and turns against his longtime friend Xiang Feitian, and the two men go from dancing with a beautiful woman to confronting each other in prison.