Varg Veum - Season 2 Episode 1 Writing on the Wall

Veum is no longer working as a private investigator. He's got a permanent job as a teacher and has settled down to enjoy domestic bliss with his new girlfriend Karin. Veum gets a brutal meeting with the past, then his bitter enemy "The Knife" is released from prison, determined to take revenge on those who got him convicted for the murder of a teenage girl. Soon Veum is deeply entangled in a case where he must take a tough battle with his conscience; was he innocent in the girl's death? The only answer is "The Knife", but his mind is set on only one thing: revenge.