Coming to light with increasing frequency are cases in which psychoanalysts and psychotherapists engage in sexually abusing behavior toward their patients. Some observers of this sordid situation have suggested that the very nature of the therapeutic or analytic relationship, with its counterplay of nonverbal transference attachments, makes the therapist susceptible to falling into the role of seducer. This paper describes cases in which the sexual contact becomes injurious and traumatic for the patient. It explores the psychological dynamics of such cases, looks at the possible conscious and unconscious motives of the therapist, and relates those issues to the pathological background of the patient.