DVD: The Thirteenth Floor: Craig Bierko; Gretchen Mol; Vincent D'Onofrio

On the thirteenth floor of a corporate tower, high-tech visionary Douglas Hall and his colleagues have opened the door to an amazing virtual world. But when the leader of their secret project is found dead, Hall becomes the prime suspect in the investigation. To clear his name, Hall must cross the boundary into the simulated world that he helped create - where he'll not only find the answer to the mystery but confront the astonishing truth of his own existence.