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Nothing occurs on screen. There is reference to a party where something "illegal in any country" occurred, and to someone "screwing" a woman.
One man is punched in the face and is left unconscious in a situation where he will die. Two other people are killed in an accident, shown from a distance without sound.
Two uses of the F-word, and 6 uses of sh-- in the English subtitles.
People have wine with dinner, and one character begins to drink heavily but is told to stop by another.
The whole story involves a group of people trapped in a room that they must escape from or die, so there is moderate tension throughout.