A human skull is discovered by a new homeowner in Yorkshire, and the remains are identified as Muriel Bradbury, wife of the house's former owner, reported missing nearly 20 years earlier. Detective Hennessy and Yellick take the case, but their initial certainty that Bradbury killed his wife evaporates when they learn that two other wives also disappeared shortly before their husbands took up with a woman whose description matches Bradbury's second wife. S . . .