The owner of a private hospital is found murdered in his car, after a series of anonymous threatening letters. Suspicion falls on a retired book-maker whose daughter suffered severe brain damage as a result of negligence during an operation some years before. Morse spends a lot of effort in investigating the possibility that the dead man was criminally negligent, and concludes that he was

Morse and Lewis hunt a violent rapist who has escaped from prison. They find themselves drawn into an under-world of satanists, and some of them seem more respectable than others

A nasty but very rich businessman and a world-famous opera singer are in Oxford to receive honorary degrees from the Chancellor of the University. However, the ceremony has to be abandoned when a sniper opens fire on the procession of dignitaries. The singer is seriously wounded, but was she the intended target?