The story of Rena Salmon, who shot beauty salon owner Lorna Stewart with a double barrelled shotgun in September 2002. Rena's husband had a history of womanising, and when he refused to end his affair with friend's wife Lorna, Rena became increasingly unstable. She began to stalk Lorna and threatened her with abuse messages before taking the ultimate revenge on her adulterous husband by killing the other woman. She was convicted of murder, but was the verdict too harsh?