Martin's grandson Vilhelm Beck is out on a routine mission with his supervisor when he finds a dead 17-year-old boy at the crime scene. It immediately becomes a case for Alex, Martin and the others in the Beck group.After a raucous youth party in a residential area outside Stockholm, one of the party-goers is found dead.

• Maj Sjöwall
• Per Wahlöö

• Rebecka Hemse
• Peter Hüttner
• Stina Rautelin