Lauren enters the CIA office disguised as Sydney and steals information. Sark is captured and interviewed by Vaughn. Sark gives up Lauren and Vaughn resolves to kill her. Vaughn tracks her down and brings her to an empty warehouse. As Lauren dangles from the ceiling, Vaughn states that he loves Sydney more than he hates Lauren thus he will not kill Lauren. He does, however, plan to douse her in hydrochloric acid, rendering her unrecognizable. Sydney's aunt, the ambiguous Katya Derevko, stabs him in the back. When Sydney learns about Vaughn, she goes after Lauren herself. Vaughn goes after her and arrives just in time to save Sydney from Lauren. As Vaughn and Sydney kiss, Lauren tries to make one last shot. Vaughn sees this and shoots her dead. Before Lauren dies she tells Sydney that there is a safe deposit box in Wittenburg that has information about her.