Die fremde Frau (2004)

Alexander, son and creative head of the traditional Brandenburg jewelry dynasty, is happily married to the lawyer Konstanze. One day, Helen Berg, a mysterious beauty, appears and casts an erotic spell over Alexander. Alexander is overwhelmed by his intoxicating love for this woman. But Helen has a mysterious plan: she observes his family and seeks contact with Konstanze and Alexander's mother Elisabeth. She deliberately begins to conjure up a family catastrophe.