Shashirekha works as an investigative journalist for a leading media company. While at an orphanage, she is introduced to Chandrasekhar who is covering the news. On the other hand, a series of murders take place.

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).

Kaali (Karthi) is an impulsive and short-tempered working class man who works in an IT company and enjoys playing football during his free time. His best friend is Anbu (Kalaiyarasan), who is a young political aspirant. They along with their gang live in the dilapidated flats of the housing board in Vyasarpadi, North Chennai. In a long-standing bloody feud, two factions of a political party have been laying claim to a wall on which they can paint the portraits of their respective political leaders. Anbu, under the local leader of one of the opposing parties, Maari (Charles Vinoth), is determined to claim that wall for their own party. The other party chief is Kannan (Poster Nandakumar) and his son Perumal (Mime Gopi) who are hell bent in making sure that their opponents efforts go in vain. The painting of Kannan’s father’s face has been on the wall for two decades, since the start of the feud. The two parties and their supporters get into frequent clashes and scrapes. In the meantime, Kaali falls in love with Kalaiarasi (Catherine Tresa), and she too reciprocates his feelings.

A shape-shifting snake-woman, who is in search of her lover, who she lost two decades ago, sets out to win his love again.

Kadamban (Arya) is a native of an isolated tribe in the Kadamban Forest, Tamil Nadu. The area is known for its wildlife and an immense amount of limestone. This brings the attention of the Mahendran Brothers, who own a large cement factory. They then attempt to get the not easily convinced tribe out of the forest. Radhi (Catherine Tresa) is in love with Kadamban and attempts continuously to win his heart at the displeasement of her brother, who has a rivalry with Kadamban.

Amudhavel (Vishal), after spending 6 years in the United States, returns to Cuddalore for his marriage to his long-time girlfriend Meenu Kutty (Catherine Tresa). He is forced to invite to his marriage a local don Thamba (Madhusudhan Rao), despite a previous history between them. Thamba was responsible for dragging Amudhavel and his elder brother Gnanavel (Mime Gopi) to jail 5 years ago on a false charge after Gnanavel, who worked in Thamba’s fishing business, decided to leave Thamba and start his own fishing business. Thamba was also responsible for chopping off the leg of Amudhavel and Gnanavel’s father Rajarathinam when he had tried to intervene in the fight between Thamba and his sons, confining him to a wheelchair. To escape from Thamba and his gang and not cause any more harm to his family, Amudhavel had emigrated to the US.

A woman who doesn’t like harming even an ant is possessed with the ghost of the man who loves her, which wants to take revenge on the corrupt men who murdered him.

The young heir of a rich family sets out to effect a reconciliation between estranged family members.