Maryan Joseph (played by Dhanush) is a fisherman in a village named Neerody. He has an auspicious bond with sea and proudly claims himself as "Kadal Raasa" (King of Ocean). There is Panimalar (played by Parvathi) who falls in love with Maryan and doesn’t shy away in confessing it to him. Maryan is loved and longed by Panimalar but sadly her feelings are not reciprocated. The more Maryan tries to keep Panimalar away from him, the closer she tries to get. This eventually leads to Maryan falling for Panimalar. Once,
Aravindan Sivasamy (Jayam Ravi) is a 26-year-old youth who was brought up in an ashram run by a Harichandra (Nassar). The atmosphere that he grew, taught him high moral values, disciplines, dignity, devotion etc. But when he comes out of the place, his belief and learning will be questioned by the cancerous system. It unsettles him and make him fight against the immoral cultures of the society. He decides to taken on corrupt bureaucrats and his friend (Soori), a lawyer (Subbu Panchu) and journalist (C. Gopinath) along with his girlfriend (Amala Paul) join him in his mission to fight against the corruption.
Rishi (Sarathkumar) is a professional thief working for Satya (Arun Pandiyan). On one of his missions, he happens to watch a minister (Devan) kill a television reporter who is about to expose him. Rishi takes off with a floppy the reporter hands to him before dying and the minister, naturally, wants it back. Things get confusing because of Velu (Sarathkumar), who looks like Rishi and gets into trouble. .Meanwhile, Rishi turns over a new leaf when one of his tasks ends up in a singer Nandhini (Sangavi) being blinded. He starts taking care of her but Sathya is unwilling to let him go.
Ganapatideva, was the emperor of the Kakatiya dynasty who ruled from Orugallu. Rudrama was formally designated as a son and given the male name of Rudradeva, through the ancient Putrika ceremony. Rudrama Devi begins to rule the kingdom jointly with her father as his co-regent from 1259–60 under the name of Rudradeva Maharaja.
Ranga (Rajinikanth) alias Ranganathan who lost his sister Laksmi (K . R .Vijaya) in childhood,comes to the city searching for work suitable for his graduation.He meet Raju (Karate Mani) who is a thief . Ranga advise Raju to give up his crime and be a good man . Raju accept his advise and changes, but Ranga who have changed Raju becomes a hitman because he feel its better way to survive . Laksmi, now married a wealthy man and had a child called Suresh (Master Suresh) . Raju who had changes came across Suresh and saved him from a local thugs.Laksmi, decided to keep Raju as a guardian for Suresh to keep him away from danger. Ranga has taken a contract from Ganga (Radhika) to collect money from the local thugs leader Ravi (Ravindran) . However Ravi invites Ranga to join his gang but Ranga declines stating that he does not work for any gang, but is ready to do anything given enough money . Ranga's first assignment with Ravi is to kidnapped Suresh so they can threatened his parent for money . Ranga has kidnap Suresh but saved by Raju . Raju does not know that is Ranga who came to kidnap Suresh as Ranga was in disguise . Ranga realise it was Raju and he came and meet upon Raju . Raju's joyness was no bound as he meet Ranga and tells him that he work as a guardian for Suresh.Raju also introduce Laksmi to Ranga . Unknowing that Ranga was her brother and a hitman, she agreed to keep Ranga as another guardian for Suresh . Ranga reveals his true nature to Raju that he is one who attempt to kidnap Suresh. Raju advise Ranga to give his crime and be loyal to Laksmi . Ranga however determine to kidnap Suresh and also challenges Raju, that he will chase him out and finish his task, which he does . But, Ravi was a brother of Laksmi's husband played a double cross game to Ranga and reveals him that Laksmi is his sister. But then Ranga was caught by Ravi's thugs but Raju came to the rescue and saved Ranga . Ravi was dashed in jail, Ranga with his lover Ganga, sister and Raju lead a happy life .
Raghunandan is a rich, unhappy businessman based in Milan. He wishes to reconcile with his estranged daughter Sunanda whom he expelled because she married Rajasekhar against his wishes. His grandson Gautham Nanda promises Raghunandan that he will bring her back to their home on his 80th birthday. Sunanda has three daughters: Two of them are Prameela and Sashi. Gautham enters the house as Siddhu, a driver who was appointed by Rajasekhar after saving him from a heart attack. Gautham tries to woo Prameela but gives up when he learns that Prameela is in love with another man. Sashi hates Gautham and is suspicious of him and Paddu, his friend and a nurse who is appointed to take care of Rajasekhar.