Paura a Park Avenue

A man is shot dead in front of his house, for no apparent reason. After some investigations, Nick Raider comes to formulate the hypothesis that the man, together with many other patients of Doctor Hunter, a psychologist, was blackmailed and that he was killed for not wanting to give in to the extortion. A month earlier, in fact, the doctor had had the videotapes on which he recorded his sessions stolen. Hot tapes that contained the secrets, foibles and disturbances of many wealthy and blackmailable clients. Nick now has a lead to follow...