Vijay, a young man, has everything going for him - he lands a plush job and is about to marry his love. But what happens when he finds himself in the center of a conspiracy?

Lock Up follows the lives of sub-inspector Moorthy and constable Vasanth . There is also Ilavarasi , a hard-nosed police inspector who is put in charge of the station the two men work at after the previous inspector, Sampath, is murdered.

When an illegal hooch baron's reign of terror troubles an entire village, the people turn to the only man who can save them: Raja, the flamboyant don with a heart of gold.

A sincere cop, who's suspended from the department for locking horns with a few influential people in the society, starts taking revenge against those who finished off his dear ones.

Veerababu's tricks his friend Soori into marrying Pushpa while Veerababu falls in love with Vasanthi. As problems start to rise, Veerababu and Soori goes to MLA Jacket Janaki Ram, who in spite of all of the problems falls into a coma. How Janaki Ram recovers from the coma to file Soori's divorce and fix Veerababu's land issues forms the rest of the story.

A strange clause in an ancestral will said that if Laddubabu got married his father would inherit a lot of property. But a mosquito laden with a strange virus bites Laddubabu and he becomes humongously fat much to the disdain of his father who wanted to get him married very fast. Laddubabu meanwhile had other plans. He was in no rush. He wanted to find true love first. He wanted to find a girl who would love him and accept his enormous self for what it was. Fate intervenes in the form of a little kid, whom Laddubabu makes enemies with. The little kid turns out to be a nemesis for Laddubabu's attempts at wooing his lady love. What look like chidish pranks initially turn out to be a well thought out strategy by the kid who wanted Laddubabu to abandon what he was doing and do what the kid wanted him to do.

Julie, an Anglo-Indian girl, falls in love with her best friend's brother Sasi, a Hindu boy. She has a passionate encounter with him, the consequences of which she must face alone.