When mobile networks stop functioning due to a solar flare, Vasanth, a geek, tries to restore them. But a deadly bomb will be activated if the connection is resumed.

Ramankutty, a wedding planner, falls in love with Gauri and their families approve of their marriage. However, an astrologer’s shocking prediction about Ramankutty’s family creates complications.

Sivadhanu, an educated but unemployed honest man, gets married to the daughter of a rich man and moves to their house. However, taunts and disrespect compel him to find a new job in another town.

The story begins at Ravana’s (Prakashraj) abode and the time of Ramayana when he orders his uncle Mareesan (Jayaram) to transform into a deer to abduct Seetha. Mareesan argues with Ravana but finally complies since Idumba (Raju Eswaran) and Ravana threaten the life of Mareesan’s lover (Samiksha). Finally the said thing happens and Mareesan gets struck by the arrow by lord Rama, he becomes a rock but not before he transforms Idumba into an anklet and wears it on his leg. Times change and the modern day comes. Rajaram (Nasser) is a very rich man who owns tea estates and he has Seetha (Saranya Mohan) as his dietitian and Sri Rama (Arvind Akash) as the cook. Both Rama and Seetha are in love, on the other hand Rajaram’s relatives (M. S. Bhaskar and Mayilsamy) plan a plot to take the property. In this process, they end up planning to kill Seetha by pushing her from a mountain top. Seetha falls directly on the rock idol of Mareesan and he gets his human form. At the same time, his anklet falls off and is eaten by a fish. That fish is caught by fisherman Manickam (Nasser again) and Idumba gets his human form. The age old enmity crops up and while Mareesan vows to protect Seetha, Idumba plans to help Manickam get Rajaram’s property as half brother. What happens from there forms the rest of the story..

The film begins with Karthik (Sethu) meeting psychiatrist Valeba Raja (Santhanam) to discuss about his life story. Apparently Karthik has two love stories. He falls in love with Sweety (Nushrath Bharucha) on first sight but when she bashes a guy for wrongly interpreting her friendship as love, our hero decides to put ‘Project Sweety’ on hold. Meanwhile, Karthik’s family plans to marry him to Shalu (Vishaka Singh) but the former tells about his so-called love story to the latter and she offers to help him out by telling her parents they need fifteen days to take a firm decision on wedding. During the process, Shalu and Karthik develop a liking for each other but suddenly Sweety too reciprocates his love to our hero. The rest of the story is all about whether Karthik marries Shalu or not.

Soundarya aka sweety (Anushka Shetty) is a carefree working girl, who is a foodie and enjoys her life to the fullest. But her mother (Urvashi) is worried about her obese daughter and all the grooms that she finds reject Sweety as she is fat. Frustrated by all the rejections, Sweety says “No” to Abhi (Arya) who is apparently smitten by her innocence and kindheartedness. Later, Abhi falls in love with a fitness freak Simran (Sonal Chauhan). But slowly somewhere down the lane, Sweety takes a liking for Abhi but is shattered when she realizes that he is in love with Simran. Sweety decides to join a slimming center to lose weight as advised by her mother. What happens then ?

Subramani is a fun-loving young man who has two playful friends. They want to become rich without toiling for it. Subramani decides to woo Mahalaxmi to inherit all her wealth.

Palakattu Madhavan (Vivek) is a lazy, irresponsible man. Embarrassed his wife Lakshmi (Sonia Agarwal) earns more than him, he quits his job out of spite. He then adopts the old woman Pattu Maami (Sheela) as a surrogate mother because she offers to pay cash for the opportunity. The character “Palakkattu Madhavan” is also an acknowledgement of a character with the same name in the movie Antha Ezhu Naatkal starring Bhagyaraj and Ambika.

Periyasamy (Mayilsamy), an idler, hopes to enjoy life as a rich man by making his son, Murali (Sharuk) woo Mynaa (Gayathri), who, he thinks, is the daughter of a wealthy jeweller. Little does he realise that Mynaa is actually the daughter of a beggar.

Agastya (Akshay Kumar) is a scientist, working on the development of a communication system, to communicate with aliens. But Agastya loses the faith of his seniors and is allotted with a deadline of one month to conclude his project with some substantial results.
In the mean time Agastya is informed by his girlfriend Diva (Sonakshi Sinha) about his father’s illness. On hearing this they both reaches his native village Paglapur, whose colourful inhabitants include a man who speaks in gibberish, another who thinks he is a lamp post and everyone else who think that the World War II is still going on.

An unfaithful newly-wed wife, an estranged father, a priest and an angry son suddenly find themselves in the most unexpected predicaments, each poised to experience their destiny, all on one fateful day.

A stringent cop tries all the possible ways to nab a dreaded don who poses a big threat to the society.