There are two sex scenes in season 1. The first is interrupted because the protagonist can't go through with it. A woman's breast is briefly seen. The Protagonist is later seen from behind masturbating in his bathroom to get an erection. No actual nudity. In the second scene the protagonist is standing during sex and his butt is seen from behind. No female nudity. There is also a scene where a woman briefly touches herself but not explicit and no nudity.

There are two other non sexual scenes with male nudity. In the first the man is scene completely naked for an extended period with genitals clearly visible. The second scene is in a bathhouse with several naked men. It's implied that they come there for sex. Genitals are briefly seen. This scene is also shown as a still picture in the beginning of every episode with one man's genitals seen.

Not much blood,some episodes have it as a nice realistic touch. Violece,is present all throughout the series,even in the first 10-15 minutes of the first episode.

Lots of blood and violence but the effects of it is also shown realistically.

They swear a lot in Romanian,it's present in pretty much every episode.

Lots and lots of very bad language.

Smoking is present in almost every episode. Drugs are pretty present too,but they're mostly transported. They're seen mostly being used in the Second Season by some specific characters.