A severed female hand is found in the Thames, which brings D.C.I. Conner in contact with Walker (who is now back in uniform). No body is discovered, and the case soon becomes a battle of wits against the killer.
Quest roles:
Jean Boht, Andrew Burt, Ben Cross, Pip Torrens, Charles Dance, Neve McIntosh, Gemma Jones(Dr. Jean Mullins), Sara Kestelman, Kayvan Novak