Based on a Philip K. Dick story, Paul Verhoeven's violent, Oscar-winning sci-fi adventure follows construction worker Douglas Quaid (Arnold Schwarzenegger), who discovers a memory chip in his brain during a virtual-reality trip. He also finds that his past has been invented to conceal a plot of planetary domination. Soon, he's off to Mars to find out who he is and who planted the chip. Sharon Stone co-stars in this mind-bending thriller.