Watch Tafanos: L'Inizio (2002) Official Trailer

A group of friends are plagued by recurring nightmares set in the Middle Ages. In an attempt to bring peace to their nights, they decide to undergo a psychic seance. They soon find themselves in an unlikely Middle Ages, battling a swarm of accidentally released killer horseflies. To defeat the pesky insects, they must find and smoke the dried leaves of a magical herb.