Maggie pursues some unpopular, and not very Norwegian, investigative methods. Meanwhile, a discovery is made in the Larvik countryside. It's the breakthrough the investigation needed but also the one they all feared.

Line continues interviewing Viggo's old schoolmates and meets some interesting local characters along the way.

Wisting and his team are basking in the success of their recent case. But from out of the blue comes an accusation that they, and specifically he, tampered with evidence in a case 17 years ago.

William is fighting for his reputation and his career.