Lust, Caution is a 2007 erotic spy romantic mystery film directed by Ang Lee, based on the 1979 novella by Eileen Chang. Lust, Caution is set in Hong Kong in 1938 and in Shanghai in 1942, when the city was occupied by the Imperial Japanese Army and ruled by the puppet government led by Wang Jingwei. The film depicts a group of Chinese university students from the University of Hong Kong who plot to eliminate a high-ranking special agent and recruiter working for the puppet government by luring him into a honey trap. The film is generally accepted to be based on the historical event of Chinese spy Zheng Pingru's failed attempt to assassinate the Japanese collaborator Ding Mocun.