Lyn and Chris Dawson appear to have the perfect marriage. He’s a star footballer and popular high school teacher. She’s a devoted wife and mother. They share a beautiful home above Sydney’s northern beaches. But when Lyn goes missing, dark secrets are buried. This is no fairytale, but a sordid story of strangely close twin brothers, a vulnerable teenage student, and a shattering disappearance. The Australian’s Hedley Thomas digs deep into a 40-year-old tragedy. In August 2022, Chris Dawson was convicted of murder. Some legal proceedings are still on foot, so in this rereleased series you will hear some bleeps.