No Good Deed - Stephen Myler

Miller is called again by Sir Harold to leave prison and be a spy for the intelligence service. This time he is released on licence to Sir Harold that while he is employed by the service he does not have to return to prison, however if he disobeys or fails, he will be instantly returned to prison to serve out his sentence for manslaughter. The secret service supply Miller with a flat in London with unusual secret hidden spaces for weapons, a go bag, money and a priest hole just in case he has unwanted visitors. He is briefed on the next case: