Frost's efforts to join a gym and date Julie, the fitness instructor, are hampered by two suspicious deaths. The first concerns a man found dead on a waste tip with no identity beyond an empty wallet, seemingly a mugging victim. However his wife comes to report his disappearance and Frost, in following through, is intrigued to learn that her sleep therapist is rather more than just the concerned friend he professes to be. Could these two meek little souls be capable of murder? The other body is that of escort girl Heather, found in a hotel room booked by married businessman Stephen Richman. He denies murder but confesses that he was shocked to realize what she did as she was a student friend of his daughter. Later he is found dead in his car but Frost can see no reason for his suicide and rightly so. The escort agency is involved in bringing in Eastern European girls to work as pole...