Sexual references and innuendos, and encounters with prostitutes, transvestites and the like are featured.

This protagonist is involved with a married woman. They are periodically shown in post coital or implied sex scenes together in bed with only rare explicit nudity.

Contains extreme violence and much gore.

Expletives such as the f-word, arsehole, shit, etc., and blasphemous terms are evident in the series.

Opium dens and opium-smoking is included, besides alcohol.