Tuomas finds Onerva drugged and apathetic and wants to take her home. Lundsten makes Tuomas believe everything is fine. Ritva sees Lundsten's manipulation in action and she gives Tuomas a lead to follow.

Tuomas realizes that he has made a huge mistake and goes back to the island with an inspector. Lundsten understands that his life work is in danger. Is it too late to save Onerva?