Lust, Caution

Se, jie is a movie starring Tony Chiu-Wai Leung, Tang Wei, and Joan Chen. During World War II era, a young woman, Wang Jiazhi, gets swept up in a dangerous game of emotional intrigue with a powerful political figure, Mr. Yee.
During World War II, a secret agent must seduce then assassinate an official who works for the Japanese puppet government in Shanghai. Her mission becomes clouded when she finds herself falling in love with the man she is assigned to kill.