A man masturbates while a naked prostitute pretends fleas are biting her.

A lady with breasts exposed wearing a robe walks by on the side. Somewhat blurry. Later in the episode a women is asked to inject a drug into a male genitals. No nudity is shown.

A man asks a lady if she ever wants to go for a "poke"

A old photograph of a mans testicles enlarged from disease are shown.

Glimpses of partial nudity behind a curtain in an Asian brothel. A man asks a woman to play a game (the busy flea) and breasts are shown.

Occasional sex scenes between main characters and with prostitutes (contains nudity).

The surgery scenes, needless to say, are very graphic and realistic, there's lots of blood and surgical gore all throughout them.

The first part of the first episode has a graphic C-section, with loads of blood and a graphic moment of a man reaching into the wound and retrieving the baby (the woman is sedated through all this).

The surgical scenes are not for the faint of heart. Intensely bloody and graphic.

One of the main characters picks fist fights at pubs with bloody results.

One man has his tooth pulled out by mobsters as punishment for not making payment of a debt.

A man storms a room and cuts the throats of two men, then repeatedly stabs another. The scene ends with him hurling an axe at a man which lodges in his forehead.

A few uses of 'cunt'.

Two male characters are fond of the word "fuck" sometimes using it multiple times in a single sentence.

Occasional uses of the f word. Some episodes contain multiple f words in single scenes.

Frequent use of opium and cocaine.

Cocaine is referenced and seen on screen. People are seen smoking. The main character is a drug addict and frequently injects cocaine.

Graphic suicide by gun depicted about 10 minutes into the very first episode.

Operation scenes are shown, sometimes in close & explicit detail.