That soft shoe shamus, Steve Silk, is retained to find the runaway son of an air-conditioning magnate, Newman, and detained further on the case when Newman is murdered. Gerry, innocent except in the eyes of the police, runs off again; his sister, Toni- is vulnerable- to Silk, while an older sister, Rachel, is inscrutable; and Silk himself is not above suspicion until he is able to probe and prove otherwise. Battered.