A newly married couples' lives are turned upside down when a childhood friend visits them unexpectedly.

Gopalsamy, a poor graduate, travels to Madras to financially provide for his mother's eye surgery. Struggling to earn money, he encounters a Brahmin priest who coaxes him to impersonate a Brahmin to sell food in the neighboring agraharam. Being a non-Brahmin from a backward caste, Gopal finds it morally reprehensible to wear the sacred thread, but with no other options in sight, he sets off to perform Ganapati homam with three other priests...

Kunju Gounder is a respected village chief, he seeks his missed son. Panju Gounder, worked as a servant in Kunju Gounder's house and married his sister. Now, Panju Gounder tries hard to be respected by the villagers. Raja and his friend are fraud. Raja attempts to make himself out to be Kunju Gounder's son and falls in love with Kunju Gounder's daughter Sinthamani. What transpires later forms the crux of the story.

Outspoken Achutha Kurup is the oldest patriarch of the Mankoyikkal family, but who is now persona non grata within his extended family, as each family tries to get rid of him as he takes turns visiting them. His eldest nephew, Prabhakaran, seeing his state, writes a fake letter to each family, including his own, claiming that Kurup owned a big plot of land worth lakhs. After this news, all of Kurup's family starts tripping over each other to care for him.

What happens when the lives of two friends take an unexpected turn? A whole lot of confusion follows! Will they be able to get out of the mess? That forms the crux of the story.

Collegemates Karthik and Shweta fall in love and take it to the next level but the girl soon discovers that she is pregnant. And, when the parents find out, the consequences are startling.

Operating a Television Network from Vancouver, Sardar Jasbir Singh Grewal, arranges the marriage of his only child, Simar, with Mulhapur-based, Inder Veer Singh, the son of his friend, Arjun, much to the chagrin of his snobbish wife, Kuldip. Simar and Inder find themselves compatible, and an engagement ceremony is arranged. It is during this event that they find out that Inder has no intention of re-locating to Canada, and the ceremony is canceled. After sometime, Inder decides to visit the Grewals in order to try and convince Simar to return to India, and also visit his married sister, who he has not seen for over 7 years, as well as a former girlfriend, Jaspreet, who also live in Vancouver. Once there, he witnesses the plight of his sister, Jaspreet, and other Punjabis, making him question whether Canada is really the perceived 'heaven on Earth'; what C.B.C.D. really means; little knowing Simar has no intention of ever settling down in India.

Meher Aali, a Muslim boy who lives with his widowed mother, falls in love with a Hindu girl. His life turns upside down when he gets convicted as a terrorist and imprisoned for life.

Enslaved convicts for treason plan escape but get caught by pirates and work for them before gaining their support and fighting back their country's authoritarian rule.

Sr Inspector Maruti Nagargoje is investigating a murder case which took place in the house of a couple.Who claim that they weren't in the house when the incident happened.Maruti has a different way of working as he doesn't consider statement given to police on crime scene as valuable and conducts his own interrogation with suspects.

Kartik (Prashant) on his way to attend a close friend Anand's (Anand), marriage sets eyes on Lakshmi (Kausalya) at a bus stop and falls for her. He with his friends reach the village and Kartik to his delight finds Lakshmi there. He sends her a love letter (as in the title) and then to his horror discovers that Lakshmi was the intended bride of Anand. The matter becomes public, with the whole village going in search of the anonymous letter writer. The scenes where Kartik's friends (Vivek, Damu, Vyapuri) ae mistaken for the senders of the letter and get a sound thrashing in turn, gives some comic relief. The marriage is meanwhile over and it is time to leave. And then Kartik comes out with his confession and makes a public apology to his friend and the family. His gesture is appreciated, the matter settled and the newly weds return to the city.

Madhava Menon (Nedumudi Venu) is a well respected retired police officer who has two daughters, Narasimhan. IPS (Sarath Kumar), an efficient police officer in Tamil Nadu, married Meera and Nandagopan (Jagadish), an officer in Kerala Police who married Meena. They all live very happily. The state legislative election is announced in the state. There happens a twist in Madhava Menon's life.

Siva(Prashanth) is admitted to a medical college in Chennai and his father(Rajesh), a police constable, gets a tranfer to Chennai too so that he can keep an eye on Siva. He develops a liking towards Mahalakshmi(Sneha), his collegemate. But Naga(Subburaj), Maha's servantmaid's son, is obsessed with making Maha his own.

James (Sreenivasan) is an average police officer, apathetic towards his job and only in it for his monthly salary. Due to a misunderstanding during a blood test at a laboratory, he believes that he has a fatal disease and is about to die soon. He eyes the insurance payout his family would get if he dies in action and embarks on impossible missions to get himself killed in action.

Panneer, a taxi driver unknowingly gets friendly with a cricket bookie during a trip. The next day, when the bookie is murdered under mysterious circumstances, Panneer is accused of killing him.

Muthanna and his family, who live in abject poverty, receive a prediction that says their fortune will change overnight. The same day, a mysterious man arrives and requests them to let him stay back.

Shekhar Khosla (Jackie Shroff) is an accounts executive, an alcoholic and a penniless playboy. He has an on-and-off romance with cabaret dancer Julie (Ritu Shivpuri)

Cyrus and April meet randomly online and they start getting close but they never reveal their true identities. But patience runs out and they finally decide to meet. Somehow April manages to find out his true identity but Cyrus fails to do so. April thinks that Cyrus is too good for her and tries to sulk away in the fear of rejection whereas Cyrus looks for her everywhere as she was the only one who could understand him as a friend and as a lover. Will Cyrus and April finally meet? Will Cyrus accept April for what she really is? Will April find the courage to be herself and claim the life she's always wanted?

A man tries to help an alien from Venus find true love on Earth.

Zamindar Janardhan Rao, a paterfamilias, holds high esteem in society. One of his sons, Bachi, is a vagabond and malicious, his misdeeds increasing day by day. After Janardhan Rao cuts his allowance, Bachi tries to make a theft, and his father collapses with a heart attack after obstructs his way. Before dying, he reveals the existance of a hidden treasure of their family hierarchy.