A dark net tightens on the tiny fishing Scottish fishing community of Kildrumna as conflicting forces loom. Tensions mount between owner of an expanding salmon farming enterprise in the pristine bay, local conservationists and the owners of a sporting lodge. When renowned millionaire environmentalist and keen diver Gunnar Larsen arrives on the scene with his beautiful new wife Ravenna, a deadly chain of events unfolds.    Detective Chief Inspector Robb, on holiday there with his troubled teenage daughter Marina, have their trout, salmon, sea fishing and diving idyll interrupted in a way they could never have imagined. Twisting and turning like a foul-hooked fish, D.P.Hart-Davis's latest sporting thriller highlights the tension between conservation and exploitation in Scotland's fastest-growing food industry…