The Equation of Love and Death

The Equation of Love and Death
Promotional poster
Directed byCao Baoping
Written byCao Baoping
Produced byWang Zhonglei
Tsui Siu-Ming
Wang Zhongjun
StarringZhou Xun
Deng Chao
Zhang Hanyu
Wang Baoqiang
CinematographyYang Shu
Edited byMou Xiaojie
Music byDou Wei
Distributed byHuayi Brothers
Release date
  • September 18, 2008 (2008-09-18)
Running time
96 minutes
CountryChina
LanguageMandarin
Budget$1,500,000
Box office$1,910,611

The Equation of Love and Death (Chinese: 李米的猜想; pinyin: lǐ mǐ de cāi xiǎng; lit. 'Li Mi's Supposition') is a 2008 Chinese drama film written and directed by Cao Baoping and starring Zhou Xun. It tells the story of Li Mi (played by Zhou Xun), a Kunming cab driver who longs for the day she can be reunited with her missing boyfriend. After a case of mistaken identity, a kidnapping, and a threat of extortion, Li Mi's dream may be on the cusp of becoming a reality.

The Equation of Love and Death is a Chinese (Huayi Brothers) and Hong Kong (Sundream Motion Pictures) co-production. It is Cao's second solo feature after 2006's Trouble Makers. The film premiered in China on September 18, 2008 in Shanghai and had its North American premiere at the 2008 Vancouver International Film Festival where it was part of the Dragons and Tigers side competition.