Writer and some-time British Agent Ingrid Langley is worried about her husband Patrick: since leaving the army, he's unemployed and has nothing to do. That is, until their old friend James Carrick makes a suggestion: to join the police in a fast-track recruitment scheme for ex-military men. The idea seems a fine one - until Patrick is recruited at a higher rank than James. And when a horrible murder takes place in the neighbourhood, leaving three corpses strung up by their feet in a disused barn, clearly something has to be done to solve the case. But with tensions growing between James and Patrick, will Patrick and Ingrid be the ones to do it?