The film Koi... Mil Gaya, directed by Rakesh Roshan, tells the narrative of Rohit Mehra, who proves that friendship is genuinely universal. Sanjay Mehra is a physicist who is fascinated with making contact with aliens. He invents a slew of novel devices until he finally succeeds in building a computer that can send communications into space. When a spaceship appears in the sky in response to his signals, his foresight becomes a reality. However, before Sanjay can enjoy his triumph, he and his wife Sonia are involved in a tragic accident in which Sonia lives but Sanjay dies.