The Enigmatic Mister S. (1987)

The Enigmatic Mister S. (1987) - Horror Movies 113 minutes. Tout est dans la fin, L'énigmatique Monsieur S., Indras Rache. The story of man who kills his friends during night party by toxin gas. He films the moment that the guests are breathing gas until they die. He attempts to kill other guests who didn't come to the party in several ways.