In the 21st century, genetic engineering makes possible the creation of biologically superior human specimens ("valids"), who then grow to positions of power and prestige. Would-be astronaut Vincent (Ethan Hawke) born the old-fashioned way, can only hope for a janitorial position at the elite Gattaca Corporation--until he buys the blood, urine, and identity of a perfect but paralyzed athlete. But a murder in the company's ranks attracts the attention of a detective who threatens to sniff Vincent out.