When law-abiding hairdresser Howard Bevan receives a death threat letter one morning, he can’t understand why. Should he take it seriously or is it some kind of joke? No one he shows the letter to has any idea what could be behind it either, but within days of receiving it, Howard and his close friend Steve are found shot dead on a river bank.
Amid a slow moving police investigation, Graham Childs, a mild-mannered teacher and friend of the murdered men, decides to begin inquiries of his own. But acting out his amateur sleuth fantasies soon sparks a chain of events that spirals out of control with unforeseen and shocking repercussions.