Lynette Dawson was a devoted wife and mother before she went missing.

Lyn was a devoted wife and mother. She adored her husband, but he betrayed and humiliated her in the most callous way. Now she's gone - missing, a likely victim of murder. 

<p>Lyn was a devoted wife and mother. She adored her husband, but he betrayed and humiliated her in the most callous way. Now she's gone - missing, a likely victim of murder. </p>

The Australian's Hedley Thomas digs deep into a cold case which has been unsolved for 36 years, uncovering startling new evidence.

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.

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