Simon Ramsay, a successful and seemingly respectable businessman, receives an email with a photograph attached. If he doesn’t come up with 50k, the sender will release it to the press, and his career will be over. In a state of panic he contacts his mistress, Laura Harrison. He tells her a blackmailer has managed to get his hands on a compromising photograph of them in bed together. Terrified of what her violent husband will do if he finds out about her affair, she enlists the services of a psychopath, Billy McAteer to deal with the blackmailer. It is a moment of madness, and the repercussions are disastrous. It falls to DCI Anderson and his sidekick to unravel the trail of death and destruction.