Eight years after the destruction caused by Chitti, Vaseegaran has created a new robot, Nila, designed to better understand human emotions. As cell phones vanish from the city, a bird-like creature wreaks havoc, prompting Vaseegaran to revive Chitti to uncover the truth.
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In Chennai, a series of inexplicable events unfolds as mobile phones suddenly take to the air, leaving people bewildered. To tackle this bizarre phenomenon, Dr. Vaseegaran enlists the help of his reliable robot, Chitti, as they confront Pakshirajan, a malevolent force capable of controlling birds.