 The Enterprise heads to <unk> IV to open negotiations with the Jaradan , an insect @-@ like race that is unusually strict in matters of protocol . After practicing the complex greeting the Jaradan require to open negotiations , Captain Jean @-@ Luc Picard ( Patrick Stewart ) decides to relax with a Dixon Hill story in the holodeck . Playing Detective Hill in the <unk> , Picard takes up the case of Jessica Bradley ( Carolyn Allport ) , who believes Cyrus Redblock ( Lawrence Tierney ) is trying to kill her . Picard decides to continue the program later and leaves the holodeck to affirm their estimated arrival at <unk> IV . He invites Dr. Beverly Crusher ( Gates McFadden ) and visiting historian Dr. Whalen ( David <unk> ) to join him in the holodeck . While Crusher is still preparing , Picard and Whalen are ready to enter the holodeck when Lt. Cdr . Data ( Brent Spiner ) arrives , having overheard Picard 's invitation . Entering the holodeck , the three discover Jessica has been murdered in Picard 's absence . As Picard explains that he saw Jessica at his office the day before , Lt. McNary ( Gary Armagnac ) brings Picard into the police station for questioning as a suspect in her murder . Meanwhile , the Enterprise is scanned from a distance by the Jaradan , causing a power surge in the holodeck external controls . Dr. Crusher later enters the holodeck , first experiencing a momentary glitch with the holodeck doors , and joins her friends at the police station . 
