The last prosecution witnesses appear on the stand. They are Margot Tindemans, Stefaan's new partner, and her mother Lutgard. According to them, the night of the drama, Margot was preparing for her lessons while her mother looked after Rose. The defense attorney subjects them to difficult questioning, questioning their version of events. Lutgard is forced to admit that at that time, she was having an affair with Guy Vanneste, suspected of murdering Britt. Delphine is concerned. For lack of any other solution, she entrusted her children to Carl's daughter without telling her husband ...