The film is adapted from the novel of the same name written by Yan Zhiyang. It tells the story of Shen Tuo (Liu Lincheng), a descendant of Mohist's official technique, who enters the Promise Prison alone in order to rescue his beloved wife, Jiang Ren (Liu Jingyi).
Liu Lincheng
Liu Jingyi
Zhang Jiahang
Du Yuming
Guo Ye
