Dr. Brewster's suicide takes a particular twist when the pathologist determines that he had also been bound and gagged. The Brewsters, both medical doctors, ran a private clinic and their son John, who lived at home, is doctoral candidate in philosophy. One possible suspect is Michael Steppings who threatened the Brewsters and their nurse after his daughter suffered severe side-effects and is now in a vegetative state from a botched operation two years previously. The forensics lab determines that one of Steppings's threatening letters was altered and Morse learns that Brewster may at one time been having an affair, so he must consider another possible motive for murder.。天机在众兄弟心目中的形象有口皆碑，仇怨无数，这么难得的报复机会，这么好玩的事情。可不能我一个人独吞了……他们肯定会打我的！为了我自己的人身安全，就那啥一次吧——楚御座为自己的幸灾乐祸给自己想了一个冠冕……