Two 15-year-olds secretly meet up in the forest, only to witness a blood bath. They are seen, but escape trying to keep this as a secret, both in fear of the perpetrator and that their secret is revealed.
Henning is struggling between life and death. Philip decides to confess everything to Helen. If Henning's accident was orchestrated, it means there is a mole somewhere. Helen opens to Ron, and mentions the other witness. It is a mistake. Ron managed to find the identity of Philip and kidnapped him. But Philip had time to call Helen and tell him that he recognized the killer of the sandpit.