Sathyam is hired by the National Investigation Agency to help catch Padmanabham, the master of disguise, by following a suit which he is assumed to have an obsession with.

A man, surrounded by birds, hangs himself to death at a cell tower. Elsewhere, the scientist Vaseegaran introduces Nila, his new humanoid robot, to a group of students. A little later, a student’s smartphone starts flying all on a sudden, exhibiting avian characteristics. Before long, cell phones all over Chennai begin to fly away, leaving the city in chaos. At an emergency council meeting initiated by the government, Vaseegaran enunciates that it is beyond conventional science to fight what he considers a fifth force, and proposes reinstating Chitti, which was dismantled in 2010. But Dhinendra Bohra, who lost his father, Professor Bohra, to Chitti’s anger,[a] opposes, and the council decides to seek help from the military, thereby vetoing Vaseegaran’s proposal.
The growing stream of cell phones leave havoc in its path, killing a mobile phone wholesaler Jayanth Kumar, a transmission tower owner Ranjit Lulla and the state’s telecom minister Vaira Moorthy. To prevent further damage, S. Vijay Kumar, the Home Minister, unofficially gives Vaseegaran permission to rebuild Chitti. Chitti traces the mobile phones, which have taken the form of a giant crow, and they fight, during which Chitti’s battery power is depleted and it starts searching for a power source amongst three huge signal transmitters. To Chitti’s surprise, the crow is unable to penetrate the field of transmitters and suffers damage while attempting to do so.

Karan (Shahid Kapoor) is a shy and nerdy canteen boy and college student, running a café with his friend Murugan (Johnny Lever), and Tanya (Rimi Sen) is a student in the same college. She is the most popular girl on campus. Karan is in love with Tanya but is too shy to tell her. After he musters some courage and rescues her step-brother from some goons, he catches her attention and is eventually able to invite her to a fake birthday party. On her way there, Tanya witnesses the murder of a scientist, Khurana (Om Puri) by his evil twin brother, the underworld don Mehboob, and as a result is forced to flee the country to save her own life, since the law had been bought out by the very same killers. The scientist had stored a secret code in a stuffed toy, a parrot, now being sought by Mehboob, and Khurana was able to hide the toy in Tanya’s car before being killed. Unawares, Tanya leaves the toy at home before fleeing the country, and the toy is later picked up by Karan, ignorant of Tanya’s fate.

Guna (Karthikeya) is a happy-go-lucky guy who believes the solution to solving issues is not through violence but through compromise. But what happens when he’s forced to the extremes by someone close to him?

An Indian soldier is assigned a mission to eliminate his former mentor, who has gone rogue.

The lives of a few people get affected when ego clash erupts between a few cut-throat loan sharks.

For generations, Gowtham Ramalingam (Atharvaa) and his family have close links with the media. His father Ramalingam (Aadukalam Naren) is a news presenter with Doordarshan. His grandfather was a news reader in All India Radio. Following their footsteps, Gowtham becomes a TV journalist in a small channel, despite being an engineering graduate. He falls in love with his colleague Anu (Catherine Tresa) at first sight. Anu reciprocates, and romance ensues. While things are going well romantically, Gowtham gets arrested on charges of cheating banks to the tune of several lakhs of rupees by producing fake documents and degree certificates. Gowtham realises he has been made pawn in a huge scandal. The rest of the movie is all about how he unearths the fake certificate scam and pins down the mastermind Thura Sarkar (Tarun Arora).

The film is about relationships between two families where hardships and affections are on the competencies.
It centers on five brothers: Elder one As the film moves ahead it unravels about enmity with other family where Devasena (Simran) is a pampered daughter. But Gunasekaran is kind enough in breaking the hardships and getting united by arranging nuptials for Devasena with his brother Karunakaran. However, Devasena mistakes Prabhakaran to be her bridegroom. When things are unraveled and Prabhakaran turns away from Devasena’s offer of marrying him, she vows to alienate him from his family by marrying Karunakaran.
Rest of the film is about the hand-in-hand combat between Prabhakaran and Devasena with each one moving around with their smart plans.

A kidnapping gone wrong leads to mounting tension between Prabha, the kidnapper, and Kathir, the policeman assigned to the case.

Ajay, an army major, journeys to Kurnool when he is assigned a covert mission. However, he finds himself in the middle of a major scam and sets out to uncover the truth.

A man who is separated from his family as a child is replaced by an interloper.

Kameshwaran is a talented ad film director who works in a company owned by Vanangamudi, in which Kamu’s cousin Rameshwaran is the CEO. Despite being more talented and skillful than Ramu, Kamu does not become the CEO because of a small mistake he did the past. He rues over this issue and blames Lord Brahmma for making his life not as he wished for. Kamu is in love with Manisha, an advertisement model, and she too reciprocates his feelings.