Capital 8 1 (formerly known as Chaonei 8 1) is a thriller produced and distributed by Fujian Hengye Film Distribution Co., Ltd., directed by Ye Weimin, supervised by Wen Juan, starring Wu Zhenyu and Ruby Lin, and starring Yang Youning, Amanda, Mo Xiaoqi and Jing Li. The film mainly tells the mysterious story of love and hate between Xu Ruoqing, a modern woman writer, and three brothers, Lu Dieyu and Huo, in her last life after she came to her old house in Beijing. The film was released in China on July 14 and July 18, with a box office of 45.3 million on the first day, and exceeded 400 million yuan on August 7, setting a new record for the highest box office of domestic thrillers.