Zakkir Ali, a gangster, leaves the world of crime and decides to lead an ordinary life. However, his old enemies do not let him live in peace because they want to settle old scores.
After two decades in prison, legendary factionist Chennakesava Reddy (Balakrishna) returns to Rayalaseema, seeking revenge. Standing in his way, is his son Bharath (also Balakrishna), a law-abiding police officer.
A young girl commits suicide after she is ragged in college. Soon after that, a series of mysterious murders take place in the college. Many believe that this might be the doing of a ghost.
A grumpy boxing coach takes on a young, rebellious woman under his wings and starts training her for the world championship. But their biggest battle has to be fought outside the ring.
Meera's life changes after she witnesses a policeman committing a murder. He then vows to kill her, but Jeeva, a man who falls in love with her, takes it upon himself to protect her.
After his encounter with a chirpy girl, Anjali, during their train journey, a depressed Sakthivel's attitude towards life changes. Though he is attracted to her, he agrees to help her unite with her lover.
A local village rowdy arrives in the city to earn money by any means and participates in a brawl between two rivals that brings him to their attention.
Murugan is a diligent scooter mechanic in Madurai, whose life goes on smoothly until a rich schoolgirl named Aishwarya sets her eyes on him. The infatuation reaches dangerous levels when she coaxes Murugan to take her away from the clutches of her family, which has other plans about her future.
Red is a local don who possesses a heart of gold. Seeni, another don in the area, is his biggest enemy. Red falls for Gayathri and she too likes him but wants him to give up his life of violence. Meanwhile Rajesh, a reporter, begins to serialize Red's story for Ananda Vikatan and it becomes quite the rage among readers.
A brother is distraught when his sister faces problems in her marital life and returns home. However, things take a turn when he strives hard to resolve all the issues.
Aravind, a mariner who enjoys a happy life by working six months on the sea and six months on land. Later on, he falls in love with a girl named Thulasi, who doesn’t reciprocate his love. Eventually, after a lot of hardships, love finally starts to begin between them but an incident from Aravind’s past becomes a troublemaker in his new relationship with Thulasi.
Relangi Rajababu is such a 'nice guy' that he files a case against a girl who attempted to rape him, and did not succumb to her, because he wished to remain 'pure' for the woman he marries. After landing a job as an SI, his parents force him to get married because his dowry will be useful for his sister's wedding. No girl wants to marry him now, because they wonder if he is man enough since he rejected a girl like her. He ends up marrying a rich, plump girl Soundarya after his parents and family threaten to commit suicide if he doesn't accept the proposal. Now this 'nice guy' suddenly turns to other women and wants to divorce his fat wife. His attempts to make her grant him a divorce and whether he turns over a new leaf is the rest of the story.
Director Aditya probably made "Rainbow" under the assumption that there would be a golden pot at the end of this one, based of hero Rahul's track record, but sadly that is not the case.
Saravanan falls for Meera at first sight, but she eventually turns him down. When he learns about her upcoming marriage, he and his friend, Partha, set out to Pondicherry to stop the wedding.
Krish is a happy-go-lucky guy who lives with his brother and sister-in-law. He woos a girl named Manju. Manju happens to be the daughter of a Mla Simhachalam. Krish's only intention is to become rich by marrying her and doesn't have any feelings whatsoever toward her. He also meets a girl called Meenakshi, aka Meenu ; he starts to like her for real and falls in love with her. Meanwhile, Simhachalam and Shinde run against each other in a presidential election in Delhi. Shinde is a man of misdeeds. Shinde tries to find faults in Simhachalam's personal life so that he can expose him in front of the high command of the party, so that his route will be clear to get the party ticket. Shinde comes to learn that Simhachalam has another wife (Sita) and a daughter who live in Hyderabad. He sends his men to find them. .
A young scientist investigates a series of mysterious events, such as the unexpected deaths of cattle and bright lights in the sky. He becomes convinced that they are caused by extraterrestrial life-forms.