Krrishkr is a 2013 Bollywood superhero science fiction film produced and directed by Rakesh Roshan. It is the third film in the Krrish series following Koi... Mil Gaya 2003 and Krrish 2006. The film stars Hrithik Roshan, Vivek Oberoi, Priyanka Chopra, and Kangana Ranaut in the lead roles. The story follows the life of Rohit Mehra, a scientist, and Krishna Mehra a.k.a. Krrish, his superhero son, who face an elaborate conspiracy orchestrated by the evil genius Kaal and his female henchman Kaya. In the process, Krishnas pregnant wife Priya is kidnapped by Kaal and the formchanging Kaya takes her place at the Mehra home and eventually falls in love with Krishna.
Scientist Rohit Mehra lives with his son Krishna Krrish Mehra both played by Hrithik Roshan in Mumbai. Krishna is married to Priya Priyanka Chopra who works as a journalist for Aaj Tak. Rohit works in a research institute for the Indian government and Krishna, while moon lighting as the superhero Krrish, is regularly fired from various day jobs due to lack of attendance. Rohit is researching on a device that will bring life to dead tissues by the use of solar energy. Despite several attempts, he fails to complete the experiment due to the high intensity of sun rays. On a usual day, Krishna loses his job from the security wing of a company when he hears news about an aeroplane whose front tyres are stuck due to some malfunctioning which creates high risk, even if landed, it may explode and so will the passengers inside. Krishna immediately changes himself to Krrish and saves the plane from accident by holding the component to make tyres free to roam.A few days later, Rohit hears about a deadly disease spreading in Namibia due to a virus whose antidote has not yet been discovered. He consults his friend Dr. Varun Shetty Arif Zakaria about the situation. Meanwhile, Shetty receives a phone call from Dr. Alok Sen Asif Basra, a scientist working for Kaal Laboratories who insists on meeting him in order to reveal information about the virus and its antidote. Both Sen and Shetty are, however, murdered by Kaya Kangana Ranaut, a shapeshifting female mutant. She is the henchwoman of Kaal Vivek Oberoi, a handicapped evil genius who possesses telekinetic powers. Kaal creates a team of humananimal hybrids called maanvars, with distinct physical powers in order to cure himself but fails. Later it is revealed the virus in Namibia was spread by Kaal himself to incur huge profits by selling its antidote, the singular source of which is his blood. ........
Source: Wikipedia