An infamous true crime story. Over thirty years ago, three generations of one family were murdered at their isolated farm. Initial evidence pointed the finger at the daughter of the family who had a history of mental illness, however one detective refused to accept this and delved deeper into the investigation. His determination uncovered new evidence that shed suspicion on another family member. This is a dramatized true crime story based on extensive research, interviews, and published accounts, looking at the mystery behind what happened that fateful day. Coming soon to HBO Max.