It's implied in dialogue that a woman is raped.

Very tame sex scene in the dark between a clothed man and woman.

Some fighting/gunshots including a fight scene between two men who are very bloody afterward.

The sound is terrible but 'fuck' is heard in almost every sentence (a few uses of 'cunt' and other profanities too).

Some drinking.

A man is seen with a heroin needle.

Some intense fights.