A wounded man finds himself in an unknown place nursed by a woman and realizes he has amnesia. He keeps getting flashes of his past and decides to uncover his true identity with the help those flashes.

Munian (R.K), the innocent turned underworld dada. The naïve youngster from a remote village becomes a dreaded dada who could fix anyone and anything for money. He spends the money to treat a girl who is in coma for six months. Who is that girl and why does he spend money for her?

The film is set in a village near Madurai. Pugazhendi (RK) spends all his time drinking and is ridiculed by everyone. In contrast, his elder brother Pandithurai (Napoleon) is respected and admired by everyone.

A cop decides to take on his godfather, who raised him from childhood, and make him realize the error of his ways.

An intrepid encounter specialist takes on everyone who tries to rein him in and clashes with an international outcome.

A team of workers at a petroleum plant dies while on holiday when their bus falls into a ravine. A police office discovers that the deaths were not an accident but pre-planned murder. Why did those people die and who plotted their murder?

An investigative officer takes up a case involving the deaths of three different women murdered by three different killers with varying motives.

Muthuvelu lives with his mother Deivanai and his grandfather in a mountainous area. Despite being an educated man, he makes his living harvesting honey using traditional methods. The wicked forest officer Sundaram often gets into fight with Muthuvelu. One day, the city girl Kaveri spots Muthuvelu singing a song and she records it with her video camera, she then sends the video to a TV channel. Muthuvelu's song is telecast by the TV channel, Muthuvelu becomes popular in no time thus he becomes a singer.Muthuvelu goes in search of his father. He finds that his father Ratnasabapathy is now married and has three sons. What transpires later forms the crux of the story.

A lawyer, who defends criminals, wages vigilante justice against them in private. The movie deals with the murder of a girl who was ragged and brutally murdered by her classmates. The lawyer, through his own investigation arrives at the fact that she was brutally raped by college authorities and framed the students as culprits.

Siva is an honest police officer who was brought up by the judge Sathyamoorthy, when his mother died. Sathyamoorthy has two sons : Aravind and Raja. The influential smuggler Mudaliar often clashes with Siva and Sathyamoorthy. Siva and the jolly college student Priya fall in love with each other, later they get married with Sathyamoorthy's blessing. One day, Raja rapes Mudaliar's daughter. The next day, Raja is found dead and Siva conducts the investigation. Ramesh admits to his father Sathyamoorthy that he killed his younger Raja. Sathyamoorthy decides to protect Ramesh at all costs while Siva wants to send Ramesh to jail. What transpires later forms the crux of the story.