THE U. S. S. ENTERPRISES UNDERTAKES A HIGHLY SENSITIVE MISSION FERRYING AMBASADOR FORM ACROSS THE FEDERATION TO CONTROVERSIAL PEACE TALKS. ONE BY ONE THE OPPONENTS OF THE PROPOSED DETENTE WITH THE ROMULANS ARE MURDERED- VICTIMS OF A MYSTERIOUS ANGEL OF DEATH. AND THE KILLER MAYBE AN ENTERPRISES CREW MEMBER - MAYBE EVEN CAPTAIN JAMES T. KIRK
