Charlie Nash is an expert video game tester whose life has become unbearable after the tragic shooting of his girlfriend Kate. Finding no comfort in his friends or in his job, Charlie loses himself in video games. After receiving a mysterious test game in the mail, he immerses himself in its amazingly realistic, 3-D fantasy universe. However, Charlie soon learns this virtual world is totally real as he's plunged into a perilous, life-and-death battle against the game from which there is little chance of escape - or survival - in this pulse-pounding, effects-packed, sci-fi thriller.