The Chennai city lives in fear of a psycho killer. Confidence in the police wanes until Arjun and Andrew join. Arjun, with a dark past, unveils truths about the killer. They finally arrest the killer but he escapes and chaos ensues. Arjun loses Andrew and his love, descending into darkness. The story follows Arjun's journey to vanquish the killers.
Vandiyathevan, a brave and brilliant young man sets out to cross the Chola land to deliver a message from the Crown Prince Adithya Karikalan. The narrative deals with attempts by his sister Kundavai to bring back Arulmozhivarman to establish political peace in a land seemingly beset with unrest and civil war plotted by vassals and petty chieftains.