Muthu Pandi, a village strongman, decides to marry Dhanalakshmi, and begins his quest by eliminating everyone who opposes their union - starting with both her brothers. In desperation, Dhanalakshmi decides to escape from the village, and in the process is unwittingly assisted by a university Kabaddi player Velu.
Senapathy, an ex-freedom fighter, is angry. He is angry against the rampant corruption at every level of the bureaucracy. He will clean it up at any cost.
The story centers on six youngsters, who experience the downfalls of teenage life. The film conveys a message about the importance of a good education and career over other distractions, such as romance and sex.
Kathir is a young underachiever who frequently vents his frustrations through public outbursts. When Anitha, a North Indian girl whose family has fallen on hard times, moves into his housing colony, he soon decides to pursue her with his love, but she keeps rejecting his advances.
College friends Jenny and Shiva part ways due to a misunderstanding. Although they are in love and realize they cannot live without each other, their egos prevent them from uniting.
Muthappa is forced to leave his house at a young age for a crime that his older brother, Udayappa, committed. When he returns home, he learns about his brother's antics and decides to punish him.
Two college students, the slum child Raja and the dean's daughter Roja, chat with each other over the Internet and fall in love. However, Roja is engaged and Raja cannot bear to disrespect her father, to whom he owes his livelihood.
Sridhar and Preeti begin to like each other, but part ways without confessing their feelings. Over the years, they search for each other in vain while fate keeps working its own magic. The film was also simultaneously shot and released in Telugu with a slightly different cast as Nee Manasu Naaku Telusu.
Selvaraghavan & Ravi Krishna reunite for this sequel that continues the story of Kathir post the events of 7G Rainbow Colony (2004).
Siva comes to Madras from a small Tamil Nadu town to study. He instantly falls in love with elusive stranger Priya who resists his charms quite persistently. Madhavan later discovers that romancing Priya can be a dangerous hobby.
Shaktivel and Angel, who belong to rival villages, fall in love with each other. However, as Angel's father is unhappy with her choice of groom, he forces her to become a nun.
Ramki moves to the city to stay at his aunty Radhika's house. Radhika is married to Manivannan, a politician, who forces Radhika to nominate herself for the regional MLA position. Radhika initially refuses the chance but later gets convinced by her nephew to stand in the elections. She later becomes a MLA and wants to help and serve the people. On the other hand, her husband wants to take bribes, misuse power and become rich.
A happy-go-lucky student at a university gets embroiled in a love triangle with two very different young women.
A man wages a battle against politicians and their dishonourable ways of campaigning when some political goons harm his father and sister due to a trivial issue.
