In January 1982, as most Australians enjoyed a carefree holiday season, Lyn Dawson was trying to pick up the tattered threads of her marriage. Joanne Curtis was taking tentative steps to extricate herself from her affair with Lyn's husband. And Chris Dawson was desperately seeking solutions. In this episode, a damning piece of evidence - once thought lost - is recovered, and it is something that should be vitally important to the Director of Public Prosecutions.
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, teenage student lovers, and probable murder. The Australian's Hedley Thomas digs deep into a cold case which has been unsolved for 36 years, uncovering startling new evidence.