Hamsavardhan and Mammootty live together in Malaysia. They both fall in love with the same girl Lena. Eventually, Lena has to choose between them and she chooses Mammootty as he is wealthy. Mammootty comes to know of this and breaks off his engagement to her and walks away, feeling all good.

Hari (Shaam) and Raji (Sneha) are cousins. Hari gets a job in Chennai. He then comes to Chennai and instead of staying at Raji’s home he rents an apartment with his colleague Vivek. Raji doesn’t like this and refuses to come to Hari’s house until he visits her place. But they meet and catch up with each other now and then. Meanwhile, Hari meets another girl, Swapna (Jaya Re), who plays pranks on people just for fun. During one such prank Hari and Swapna end up becoming friends. They both work in rival Ad agency.While doing a project Hari selects his cousin Raji’s photo (of her eyes) over Swapna’s which makes her upset. But to reconcile their friendship Hari sends Swapna’s pics to Miss Chennai competition which she eventually wins. After a few days Hari, Raji and Swapna coincidentally meet in shopping place where Hari ends up fighting with a person who misbehaved with Raji. Raji gets angry and walks away. Hari drops off Swapna to her house where she proposes to Hari, to which Hari refuses. But he thanks her for making him realise that he is actually in love with his cousin, Raji. Hari apologises to Swapna. Raji goes to attend her childhood friend’s marriage and when she comes back brings along her friend’s brother and also her friend, Bharath (Rajiv Krishna).Bharath had proposed to a girl and when she rejected him, he took to drinking. To make him forget his grief Raji brings him to Chennai. Hari first mistakes that Raji is in love with Bharath.On his birthday, he asks her if she loves Bharath and when she clears off his misunderstanding, he immediately proposes to her. She rejects him.

Gemini, a gangster, falls for Manisha who reciprocates his love without knowing his truth. After getting arrested and completing his term, he tries to convince his lover that he is a changed man.

At the age of nine, Amudha learns that she is an adopted child. Armed with a few bare facts, she desperately searches for her biological mother in war-ridden zones of Sri Lanka.

Jeevan’s father helps Annachi after she is cheated by his brother. He soon becomes the object of affection of Annachi’s daughter, but he turns her down to pursue other goals in life.

Partibhan plays the role of Jeevan who is a tempo driver. Soundarya plays a classical singer whom Partibhan loves, but is destined to marry Meena who in the film is a Telugu girl and speaks a mixture of Telugu & Tamil, and is a devoted fan of Telugu superstar Chiranjeevi. The relationship between the man and the two women in his life is the crux of the story. He has done justice to the role of Jeevan. Meena is loud and she has carried the role with ease. Soundarya is dignified.

Chandrakant ‘Chandu’ Nagre joins the world of crime in the Mumbai underworld. Gradually he learns the tricks of the trade and increases the gang’s earnings and profits. This leads to his affinity with Malik, the leader of the gang. Later, Malik and Chandu kill Saeed and his brother Anis in the rear seat of the car on a chilling rainy day. Thereafter Malik goes on a bloody rampage killing all his opponents to take the reins of underworld in his hands. His rival gang leader and colleague under Aslam’s umbrella Sharma, who was in a meeting with police inspector Rathod, is killed off. Inspector Rathod, who once tortured and abused Chandu in jail in early days, is killed at Malik’s permission. However both come at loggerheads during the execution of a contract killing. Chandu stops the deliberate vehicle crash and falls from Malik’s favor.

The film starts with Shakeel (Rahul Dev) killing his own brother for information, which is also known to Veeru Dada (Kolla Ashok Kumar). In the encounter, Veeru jumps off into a river from a cliff. After 18 years, we have Veeru with a leg cut off giving info to Raja (Mahesh Babu), a mischievous thief who robs banks in style. Raja gives Veeru a share of 50% for all his tip offs. Raja becomes more daring as the price tag on his head increases by thousands. There is another mischievous thief Panasa (Bipasha Basu). She and her uncle follow Raja so she can dupe him and escape with all the looted money. As the things go on a frolicking way between Panasa and Raja, Shakeel is searching for Veeru. Veeru realizes Shakeel will kill him soon. Hence, Veeru offers a big diamond to Raja and asks him to escort his daughter Bhuvana (Lisa Ray) to his brother Dharma’s place.

Shanmugam (Parthiban), a veterinary doctor, lives in the city with his wife Valarmati (Devayani) and their two children. In school, Shanmugam was in love with his classmate Dhanalakshmi (Nandita Das), but fate had forced them to go their separate ways, with Dhanam being forced to wed her brother-in-law (Sayaji Shinde). One day, Shanmugam spots Dhanam, who, having lost her husband, now lives a life of poverty on the platforms with her son Balu. After an unsuccessful attempt to find her a job in a friend’s house, he hires her as their servant-maid. However, memories of the past start to create a tension between Shanmugam and Dhanam, despite their attempts to maintain a distance.
One day, Valarmati finds out from Shanmugam’s old classmates how they both were in love when they were young, and she starts fearing that Shanmugam will leave her and her children for Dhanam. Valarmati becomes so distraught that she even humiliates Dhanam at a party organized by one of their friends. When they return home, Valarmati confronts Shanmugam, and an argument ensues. Dhanam overhears their argument and silently goes to bed. The next morning, Dhanam and Balu are nowhere to be found. When Shanmugam searches the house, he finds a letter written by Dhanam saying that she wants Valarmati and Shanmugam to be happy and that she doesn’t want to come between them. Soon, Valarmati realizes the truth and wants to bring Dhanam back home and ask her for her forgiveness.

When stuntman Sambandham (Kamal Haasan) and Dr. Janaki (Simran) come across each other at his brother Anand’s (Abbas) and her best friend Malathi’s (Sneha) hastily planned wedding ceremony, they instantly develop a dislike for each other. They both have a very low opinion of the opposite sex, and staunchly believe marriage is not the way to go for the two newly-weds, whom they try to discourage from proceeding further.
Janaki convinces Malathi to test out her theory that men are after only one thing, by forcing Malathi to delay their consummation for three months. She is sure Anand will not be able to do so and this will prove to Malathi that Anand is just another low-class male, like all others.