In The Bourne Identity, Nicky is introduced as an employee at the Treadstone Paris safehouse. Undercover as a student in Paris she is the field operative coordinating logistical operations and monitoring the mental health of the agents. Bourne follows Alexander Conklin to a safehouse, with Parsons and Conklin in it. When Bourne meets Conklin, he begins to remember his last mission. He tells Conklin that he is leaving Treadstone and to not try to find him. He then realizes Conklin silently triggered an alarm and has backup on the way. Bourne knocks him unconscious. Before he leaves he stares at Nicky like he doesn't know her, leaves her unharmed, and has a shootout with several CIA agents, and escapes into the night.