A group of French students are drawn into the psychological and sexual games of a mysterious man called Duchemin. Once they sample his "fear powder" the students experience a series of hallucinations.
A man may or may not have betrayed a resistance fighter during World War II. He has supposedly been shot down by the Nazis and wanders into town. Mourning the death of an unseen comrade, he is taken in by the family of the dead rebel. He engages in a superfluous affair and witnesses the lesbian relationship between the man's sister and a female servant. When passions subside, the family has doubts about the reliability of the man's story.
Oldrich "Fajolo" Fajták (Marián Bielik), a student who directs quasi-existentialist verbal abuse at his girlfriend Bela Blazejová (Jana Beláková), takes off to a formally volunteer summer work camp at a farm where he meets her grandfather.
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A who-is-it setting in the claustrophobic corridors of an abandoned and locked-off office building that has several guests invited to a party by their mysterious, unknown host. Only it is they who are the victims of their crimes. Suspense and mistrust are not the only stalker in this cat and mouse game of wits and fear. Who is the stalker? Why is he killing? And what is it exactly that everyone here has in common?
