Krrish 3 stars Hrithik Roshan, Priyanka Chopra, and Vivek Oberoi in lead roles. The film's storyline revolves around Dr. Rohit Lulla (Vivek Oberoi), a scientist who creates a serum that can make a person superhuman. However, his plans are foiled when his lab is attacked, and the serum falls into the wrong hands. Krrish (Hrithik Roshan), a superhero with extraordinary abilities, must now stop the villainous plans of Dr. Lulla and his accomplices.