Director Rakesh Roshan returns to the realm of science fiction with this action-packed sequel to the 2003 hit Koi...Mil Gaya concerning a powerful young superhero forced to do battle with a maniacal scientist after following his true love to Singapore. Krishna's (Hrithik Roshan) father, Rohit Mehra, was a man blessed with powerful supernatural abilities, and now that legacy has been passed on to the next generation. When Krishna is beckoned to Singapore by his one true love, Priya (Priyanka Chopra), he is troubled to discover that a megalomaniac scientist by the name of Dr. Siddhant Arya (Naseeruddin Shah) has set into motion a nefarious plan that will forever alter the fate of humankind. Now, with destruction on the horizon and his true love calling, Krishna must assume the role of Krrish and put a halt to Dr. Arya's plans before the whole world suffers at the whim of a maniacal genius.