Massage parlor scenes with customers and prostitution with associated adult themes. Adult humor involving things such as mensturation and a scene involving a pedofile with associated humor. Two people are forced to strip at knifepoint but there is no nudity, only suggested. Pornography.

This is a cop and robber movie so there is guns and violence and criminals. There is also torture, err, interrogation methods shown involving electricity and forcing a rapist to squat on a block of ice.

Remember this is originally in cantonese, but the version you will find is probably in mandarin. Nevertheless, the doublemeanings and cultural humor will be hard for many to get. The censors in HK are probably more strict than in the usa! So subtlety is used and a good amount of read-between-the-lines but not worse than some things i've seen in disney movies. Its still not a movie for kids.