Ra.One Hindi Full Movie Online HD, The story begins with Shekar Subramaniam (SRK) who is a game developer. However, his son Prateek (armaan) is hardly able to connect with his father and almost gives up. It is at this time that Shekar comes across a wonderful game and all his efforts to win his son’s heart become a success. But his happiness is shortlived as the game he develops gets a brain of its own and in comes Ra.One (arjun) who is out to seek and destroy a character Lucifer in the game. Shekar also develops a good player in the form of G.One (SRK). The story takes a turn when Ra.One discovers that Lucifer is none other than Prateek. What happens from there forms the rest of the story.