Manslaughter (2005)

Carsten is having an affair with a former student, Pil, who is an extreme left-wing activist. One night, Pil is part of a raid that goes wrong and a policeman is killed. Pil and two other activists are arrested. Carsten's affair is revealed and he leaves his stunned wife to devote all his resources to supporting Pil. But a policeman is dead, two families are destroyed and guilt begins to grow slowly but surely.