Die fremde Frau (2004)

Alexander is the head of a wealthy jewelry dynasty. He leads a contemplative but boring life with his wife Konstanze, a lawyer. Out of nowhere the attractive Helen appears in Hamburg and he falls in love with her at first sight. His feelings seem to completely overwhelm him. Helen, on the other hand, seems to use his love for a well thought-out plan of revenge. She makes contact with his mother and wife and conjures up a family drama. And then he is also involved in a murder case.