Tödliche Versuchung (2013)

When the green box is being delivered, organic farmer Helena (Julia Koschitz) stumbles over the dashing David (Vladimir Burlakov), a law student and starts an affair with him. In fourteen years of marriage, Helena and Thomas (Marcus Mittermeier) have transformed the infatuation of the first years into a dependable, constant affection. But her husband feels that she is keeping something from him. He spies on her, challenges David, and kills him.Later there is silence between the spouses. Then the detective is at the door because the review of David's cell phone connections leads to Helena. And then she discovers what Thomas has done. Only now there is a debate. They want to save the marriage and cover up the murder.