Vishwaroop is an action thriller movie that revolves around Vishwanath (Kamal Haasan), a middle-aged kathak teacher in the US, who is married to Nirupama (Pooja Kumar), a nuclear oncologist. Vishwanath’s effeminate bearings leave Nirupama in doubt and believe that her husband has secrets of his own. She hires a private investigator to probe grounds for the divorce. However, the investigation helps Nirupama to learn the true identity of Vishwanath.