"Asur" is an Indian psychological thriller series that unfolds in the enigmatic city of Varanasi. The show follows Nikhil Nair, a former forensic expert turned teacher, as he returns to the Central Bureau of Investigation alongside his mentor, Dhananjay Rajpoot. Together, they are thrust into a relentless cat-and-mouse game with a ruthless serial killer who identifies himself as the embodiment of the asura Kali. Studded with mythological undertones and exploring complex themes of morality, the series offers a refreshing departure from traditional heroism. With a backdrop of mysticism, "Asur" delves into the fragile and malleable nature of its characters in a thrilling, questioning narrative.