Nothing is as it first appears in this gripping story of a New York psychologist and his female patient. Something is wrong about the therapy sessions between Dr. August Browning and the beautiful but possibly very ill Diana. Just when we are about to wring our hands at August's tricks of the trade, we learn that, in addition to being a psychologist, he is a spy for the CIA. Or is he? Is he perhaps a smuggler? Why is he so suspicious of Diana? Could she be Nadia, a KGB agent who has already finished off three of his associates and is after the microfilm in August's possession? During this strange and compelling game of cat and mouse which takes place during Diana's therapy sessions, love rears its tender head. As in all good thrillers, there is a surprising and shocking final twist.