Tom Manners, one of Laura Peterson's elderly patients, persuades her to enlist Hawk's help - to find his stolen pocket watch. It once belonged to Heinrich Himmler, allegedly, and as such has considerable value. Hawk considers it to be a petty theft and therefore of little interest to him, but within days of poking around the thief is found murdered. The police believe Tom's bad temper and dangerous behaviour make him the obvious suspect...