Juergen J. Straub

Anne is an avid bicycle enthusiast. She has a one night stand with a fellow biker, Chris, who is also apparently a cop. He gets rough with her and the memory haunts her. Three days later her boyfriend, Micheal, and her go into the Whistler range of mountains for a biking trip. Chris shows up, stalking and frightening them as they make their way further into the dangerous mountain range... (imdb)

A girl gets a house by a lake when a relative is murdered. Her friends show up and start having (graphic) sex then get killed by some crazy perverts. (imdb)