DI Tom Tyler has made a new start in Ludlow, where onthe outskirts of town stands a hospital for war victims.When a double murder is discovered in the grounds, Tylermust figure out how it could have occurred, when most ofthe patients are unable to walk or see. Then he startsreceiving letters recounting terrible crimes. The horrors ofwar are closing in on a place of refuge, and he alone canprotect its inhabitants.