Krilles' violent behavior scares the young people and Mattias begins to suspect that he is hiding something about Danne's death. Johannes, on the other hand, focuses all his attention on the mermaid and her strange powers. When he realizes how bad Helena is feeling, he lets her meet the mermaid - with unexpected consequences.

Särsö prepares for the big Live Aid night - but suspicion and fear are growing beneath the surface. The gang is more divided than ever and Johannes tries to keep both the lies and the friendships together. But during Live Aid he realizes that Helena has disappeared without a trace and drops everything to go out and look for her.