The genius scientist Vasily (Rajnikanth) is obsessed with designing an intelligent robot. He has invested a lot of energy and emotion, imitating his own appearance, teaching the robot various skills, taking him by his side so that he can adapt to society as soon as possible, and naming it "Seventh Brother" (Rajnikanth). Because he neglected his girlfriend Sana (Aishwarya Rai) because of his work, he neglected his girlfriend Sana (Aishwarya Rai) and agreed to her request to let him accompany him to review for the final exam in order to make his girlfriend happy. At first, the Seventh Brother made a lot of jokes, but as time went by, the omnipotent robot Seventh Brother began to show his extraordinary talents in every aspect of life. His relationship with Sana made him feel human and gradually fell in love with her. The jealousy of love caused a gap between Vasily and Seventh Brother's feelings. Vasily's teacher took the opportunity to use this to start instigating Seventh Brother and inserting a virus chip into his body that turned Seventh Brother into a killing tool. The continuous generation of Seventh Brother robots has plunged the world into chaos. Scientist Vasily and the military team up to start a battle to save the original kind seventh brother. The film cost about 1.65 billion rupees (about 35 million US dollars), making it the most expensive film in Bollywood history. The film also set many "firsts" in the history of Indian films.