NightZone (2007)

Aimee wakes up to discover a new world where sex and pleasure become the rules of life... A young athletic man and a beautiful blond girl are outside, engaged in a vigorous sexual game. Before she is able to join the game, Aimee finds herself in front of a strange door in the middle of a mysterious path. The door leads her into an unexpected place where orgies, threesomes, and other sexual activities are open to everyone and anyone. Marc Dorcel brings to life a new surreal world of some of the most intense sex scenes ever shot.