The Chola kingdom is under threat from forces both internal and external, and with crown prince Aaditha Karikalan, his younger brother Arunmozhi Varman and the emperor, Sundara Cholar separated by situations, it is up to a messenger to ensure the safety of the kingdom. Can he succeed in his mission, especially with Karikalan's former girlfriend, Nandhini, plotting to bring down the entire Chola empire?

968 AD. The Pandyan assassins gather once again to destroy the Chola dynasty. Now the mighty Chola princes must fight the Pandyas, the Rashtrakutas and other Chola enemies who have joined forces. Also, at play are the rumours of Ponniyin Selvan’s death at sea, the powerful Pazhuvettarayar’s betrayal, and the tragic destiny of Aditha Karikalan, whose heart was long lost to the vengeful Nandini.