Three women are found killed on a train and the search for the people behind their deaths begins. To get justice for Yamini, Tulasi Mani and Radhika, inspector Sharafudeen Rahman is determined to find out what happened to the young girls.

At the busy city of Chennai, VETTRI “Kalaiyarsan”, from a poor family and also a graduate in electrical engineering, do not wish to take up a regular job believing that it won’t help him make big money in a short time. He becomes a target of powerful people, including the newly appointed City police commissioner DC SATHYA “Yog Japee” and the local loan shark SAMUDRAM “John Vijay”, when his plans go terribly wrong. His action’s which was supposed to go unnoticed affects others like SHEEBA “Chaya Singh” and JAMES THOMAS “Manoj K Jayan” and many others in ways unimaginable. What follows is an unfortunate chain of events in the city of seven million people.

An encounter specialist in the police force must square the demands of his job with the demands of his heart.

‘Honest’ Raj (Vijayakanth), a police officer in coma for four years, wakes up suddenly. Abhinaya (Gouthami), a newly appointed doctor, saves him from a killer with the help of Raj’s assistant Velu (Senthil).
In the past, Raj lived with his mother Maragatham (Manorama) and took the IPS exam. They shifted to their relative’s house in a village. Pushpa (Aamani), a village girl, fell in love with Raj. Raj’s best friend Bharatha (Devan) attempted to suicide after his father’s creditors pressured him. Raj saved him, and Bharatha lent his printing press company to Pazhani. Raj and Pushpa got married, and he passed the IPS exam successfully. Bharatha found counterfeit money in his factory and started an illegal business with Pazhani. Bharatha then became rich and killed his partners.

Santhosh is a call taxi driver in Chennai. Advocate Ashwini is a regular customer in his cab. Their friendship soon turns into love. Meanwhile, a gang of four members is involved in murdering cab drivers. One day Ashwini’s father wants to meet Santhosh. Since he had a trip to Pondy, he gives it to his friend and goes to meet her father.

An NRI from Canada travels to Chennai to start a property business. As his company starts doing well, he realizes he is he being cheated by his most trusted people, and gets imprisoned for fraud. What happens next?

The movie is about Ilangovan aka Ilango (Parthiban), a middle-class youth, who dreams to get his sister Kavitha (Mallika married to a millionaire. He is very keen on becoming rich and falls in love with Roopa (Lakshmi Rai), daughter of a rich industrialist. Now and then Ilango comes across Chellappa (Vadivelu), a petty thief, and takes him for a fun ride. A sequence of events makes Ilango realize that money is not everything in life. He finally, along with Chellappa, takes efforts to get his sister married to the boy whom she loves.

An NRI from Canada travels to Chennai to start a property business. As his company starts doing well, he realizes he is he being cheated by his most trusted people, and gets imprisoned for fraud. What happens next?

Two engineering college dropouts start a shop in Richie street to sell assembled electronic products. Sakthi, who understands the electronic functionalities well, reverse engineers the products and sells them in their shop. Sakthi has also developed a mobile phone which can be assembled by unique parts and thus be heavily custom modified. He meets a final-year engineering student Asha, who buys a laptop from him and later claims he cheated him. They quarrel and later get on and fall in love. She even gets sakthi’s project accepted in a national electroincs firm, for mass production in near future. One day, they get a job to fix CCTV cameras in a rich house. While fixing the job, Sakthi learns that the house belongs to the central Education-HRD Minister Devaraj. Despite properly fixing the CCTV cameras, they are not be paid and are insulted.

A girl grows up reading the books of a writer whom she absolutely loves and idolizes. Fate brings them together but she doesn’t express herself. Separated, they meet again under strange circumstances.