eXistenZ

During the first closed-door demonstration of an amazing new virtual reality game called eXistenZ, the system's brilliant designer, Allegra Geller (Leigh), is violently attacked by a crazed assassin intent on killing her and destroying her creation! Forced to flee into hiding, Allegra enlists a young assistant (Law) to help her in testing the damaged system ... by convincing him to join her inside eXistenZ! (official distributor synopsis)