This is a prequel to "Driftnet" with forensic scientist Dr. Rhona MacLeod. When does desire become obsession? A hen night in Glasgow leaves the bride-to-be dead on a toilet floor. Her body is twisted, her face a mask of terror. Who would kill a girl just before her wedding? Dr Rhona MacLeod and her team are called in to find out. As they go through the evidence, they find themselves in a world where sex is bought and sold, and more violent death is lying in wait.