Watch Mephisto-Effekt (2013) Official Trailer

Lea, a 23 year old university student, meets Ryan, a mysterious and charming man. Although Lea has a boyfriend, she lets Ryan seduce her. The next morning is a rude awakening, as what initially appears to be an attempt at blackmail turns into an exciting odyssey into the depths of the human soul, where Lea and Ryan have to take responsibility for their actions.