Kochadaiiyaan

Rana departs from his homeland, leaving behind his family as his twin brother Sena begs him to stay. He feels torn between duty and kin, setting a path toward unknown loyalties. The choice marks the start of a turbulent journey.

A river accident reshapes Rana's life as he is rescued by fishermen from the rival realm of Kalingapuri. This event drags him into a new world where he must prove himself.

Rana grows in skill, trains in weaponry, and becomes a fearless warrior. His prowess earns the trust and endorsement of Raja Mahendran, the king of Kalingapuri.

Veera Mahendran shows Rana the mine where captured Kottaipattinam soldiers are kept as slaves. He mentions that this knowledge is known only to a few.

Rana devises a bold plan to release the enslaved soldiers and train them in Kalingapuri's army. Veera agrees to the plan, and the slaves are freed, shifting the balance of power.

With Raja Mahendran's blessing, an assault on Kottaipattinam is prepared. The plan relies on the newly freed soldiers implied to tilt the conflict in Kalingapuri's favor.

Rana crosses paths with Sengodagan, his childhood friend and the crown prince. Believing Rana's aim is liberation, the allies disown Kalingapuri and march back home, provoking anger from Raja Mahendran and Veera.

Back in Kottaipattinam, Rana reconnects with Sengodagan and learns that his mother Yaaghavi is dead and his brother Sena is missing. He also reunites with his sister Yamuna and meets Rishikodagan.

Yamuna and Sengodagan wed, and Rishikodagan disowns his son for choosing a commoner as his daughter-in-law. The royal family fractures further as personal ties tighten.

Rana rekindles his relationship with his childhood sweetheart, Princess Vadhana Devi, who is Rishikodagan's daughter. Their bond deepens amid the palace intrigue.

A masked intruder storms the palace and targets Rishikodagan. Vadhana fights the intruder and captures him, while Rishikodagan unmasks him as Rana and orders his death.

In a prison cell, Rana explains to Vadhana why he attacked—he is the younger son of Kochadaiiyaan, the legendary former Commander-in-Chief. The revelation reframes his motivations and loyalties.

Kochadaiiyaan returns from voyage with his army, but Kalingapuri poisons the ship's food. The sick soldiers are faced with surrender terms that demand surrender of horses, ammunition, and troops. Kochadaiiyaan chooses survival by accepting the deal, while Rishikodagan condemns him to death.

Rana escapes from prison and rushes to interrupt Vadhana's marriage to Veera Mahendran. The people condemn Rishikodagan for surrendering the kingdom as a new war erupts, joining Kottaipattinam and Kalingapuri against Rana. Loyalists rally to Rana, and he defeats the allied forces, killing Raja Mahendran and toppling Rishikodagan's reign.

As peace seems possible, Sena rides in with a warning that the fire of vengeance still burns within him. The tale ends with unresolved strife and the sense that loyalties will be tested again in the days ahead.