The mission was a sham. The murders were real. What if one of the greatest space adventures was really a hoax? The whole world is watching the first manned flight to Mars prepare. Suddenly its astronauts (James Brolin Sam Waterson and O.J. Simpson) are taken from the craft to an abandoned desert hanger where NASA's director (Hal Holbrook) tells them their life support systems have failed. Because the mission's success is crucial to future space programs he orders them to ta