The TV Detective finds television reporter Dan Groves newly assigned to the crime beat, and in a state of angst about it. He needs a crash-course in police work; the solution is to shadow Detective Chief Inspector Adam Breen on a high-profile murder inquiry, which doesn't go down well with some members of the police force. The victim is a notorious local businessman, Edward Bray, a man with so many enemies that one of the problems the inquiry faces is having a surplus of suspects. Bray is killed at a prearranged meeting, in a lay-by on a dark and storm-lashed night, by a blast through the heart from a shotgun. Adam investigates and uncovers a tantalising question, which seems to be at the heart of the case: why was the killing planned for a different day, but put off apparently because the weather was sunny? Tensions abound between Dan and the police, and he comes close to being thrown off the case - until the detectives come to realise he might actually be helpful, in using the power of television to tempt the murderer into a trap.