Gattaca (1997)

In a future where genetic engineering determines social class, Vincent, a genetically inferior man, impersonates a genetically superior person to become an astronaut. As he prepares for his mission to Saturn's moon Titan, a murder investigation puts his identity at risk. With the help of his co-worker Irene, Vincent evades security and uncovers the truth behind the murder. In the end, he proves that determination and willpower can overcome genetic discrimination and achieve success.