Raja, son of a vegetable vendor, is a simple man. His girlfriends dump him because of his honesty. However, things take a turn when he meets his true love Priya, the daughter of a police commissioner.
Pandian, the son of a cop and a wannabe rowdy, falls in love with Kadambarai, a hearing-impaired girl, who wants him to take on Killivalavan, a gangster-politician who has murdered her parents.
Vicky is the student union chairman of an engineering college. He is in love with a fellow student, Anu. Due to some misunderstandings regarding a campus bet, Anu starts to dislike Vicky and moves away from him and grows close to her childhood friend to spark jealousy.
Maarconi Mathaai, though a lone wolf, is everyone's favorite. He loves and cares for everything but never got around starting his own family. When Anna joins the bank as cook-cum-cleaner, Mathai's friends urge him to woo Anna into his life.
A newly appointed professor finds that his student has a crush on him and wants to marry him. He ignores her advances and marries an orphan. Not the one to give up, she continues to pursue him.
Vinod/Vinu (played by Mohanlal) is mentally ill and is hospitalized in the institution run by Dr. Ravindran ( M G Soman). Story progresses as Vinod recovers with the help of Dr. Savithri, Dr. Ravindran's daughter (Karthika) and Dr. Unnikrishnan (Nedumudi Venu) who finds that Vinu fell ill after the accidental death of his fiancée Anitha (Lizy). Later Vinu and Savithri fall in love but Savithri is already engaged to be married to her cousin, Hari(Mukesh). Plot progresses as Dr. Ravindran opposes the romance between the doctor and the recovered patient.
Arjun is a superstar, famous for his roles as a menacing villain in many films. Shourya is an actor who doesn't get enough recognition despite playing roles of a justice-seeking hero on screen. What happens when the line between real life and reel blur for Arjun? Can his childhood friend, Sita, show him a way out?
A man, who is the youngest in the family and much pampered, is detested by his elder brother. He falls for a girl and decides to meet her family, but out of animosity, his brother damages his image in front of them.
Though Venu and Anu hate each other initially, they eventually fall in love when they keep meeting each other due to a common friend, Bose, who incidentally is also in love with Anu.
In order to repay his uncle's debts, Prakashan goes to Bangalore from Gujarat to sell his ancestral property. His close resemblance to a celebrity takes him through several interesting situations.
Two lovers, separated by life's circumstances, are reunited by a tragic fate—a murder. Arjun, driven by his love for Diya, defies all odds, crosses boundaries, and braves the unknown to uncover the truth behind her tragic fate.
The film revolves around five individual characters and the events in their life, that, on the one hand, changes everything in their respective lives, which the film's title refers to, and, on the other hand, also brings together these people. It is an anthology film, that contains two parallel moving stories, which are connected by a freak accident in Chennai. A young architect, falls in love with a young beautiful pediatric doctor, runs after her and tries to convince her to marry her, while, simultaneously, a morose ex-football coach troubles a software engineer by vowing to kill his eight-year-old son. How these characters get connected and confronted through the accident forms the crux of the story.
Kamesh, a young man travelling to Kaasi, sees Swapna, an NRI, at a railway station and falls in love with her. When Swapna returns to the US, Kamesh fights all odds to follow suit and win her love.
When a young Santosh’s ammamma Sita Mahalakshmi once helps him hide during a game of hide and seek he’s playing with his Maradalu Sita, he takes it to heart. 20 years later, he makes it his personal mission to keep her happy, even if it means achieving the near impossible.
Gudumba Shankar falls in love with Gowri and finds out that she is being forced to marry Kumar Swamy, a gangster. Shankar tricks Kumar Swamy and gets married to Gowri.