Aegan’s story is based around Shiva (Ajith Kumar), a CB-CID officer, and his efforts to foil the terrorist John Chinnappa (Suman). Shiva is simultaneously attempting to mend relations with his father’s estranged first wife and his half-brother Narain (Navdeep). Complications ensue.
John is a scientist who had created tablets by operating on human guinea pigs. His ploys have always been controversial but inconclusive due to lack of witnesses. However, an ex-gang member General Ram Prasad (Devan) became a police approver and is on the verge of revealing John’s ploys to the police. However, he is on the run to avoid charges. The case falls to Commissioner Karthikeyan (Nassar), Shiva’s father, who assigns his son to go and help solve the mission.

A lawyer ends up killing the son of a gangster and the latter swears revenge.

A youngster takes revenge on four boys who killed his father.

Village boy make an affair with girl and they continue it even if they grownup. Accidentally boy happened to caught in jail. But after small time he escaped from the jail and come to the girl. The prison officials follow him and catch him. Girl also comes with them.

A virtuous soldier tries to save people from an evil queen and a throne-seeking commander.

Bharat Ram (Mahesh Babu), a brilliant but uncertain student with an unquenchable thrist for knowledge, graduates with his 5th degree from Oxford. At his uncle’s (Saakshi Sivaa) house, Bharat comes to learn that his father, Chief Minister of (at the time undivided) Andhra Pradesh Raghava Raju (R. Sarathkumar), was hospitalised and died from a stroke. On a flight to his familial home in Hyderabad, Bharat reminisces about his past.
As a child, Bharat is scolded by his mother (Aamani) for eating ice cream against medical advice, and he promises her he won’t eat it again. Raghava Raju, busy with a new political party (the Navodayam Party) that he and his friend Varadarajulu (Prakash Raj) formed, is shown to be too busy to spend time with his family. After Bharat is found to have eaten ice cream again, his mother reminds him on the importance of promises. The very next day, Bharat finds that she has died in her sleep, causing his father to stay at home to take care of Bharat. Soon after her death, Varadarajulu points out to Raghava Raju that he has to get back outside to prepare for the coming elections and suggests that he remarry to find a new mother for Bharat. However, Bharat is not close to his stepmother (Sithara) and instead spends time at his friend Subash’s house. After Subash’s parents get jobs in London, Bharat wants to come with them. At first his father hesitates, but soon agrees to let them study together.

A con man who is in love with a millionaire’s daughter gets killed by the girl’s father, after reaching yamalogam he came to know that God had made mistaken by killing him for another one, with the help of yaman he reincarnated as another one to fulfill his love.

Two dons, Cheliyan and David are enemies. Cheliyan kills David’s brother so David swears to avenge his brother’s death and waits for the right opportunity. Shiva is a youth from Kumbakonam who unites lovers and his family supports him. This brings him several troubles, one of which from David when Shiva stops David’s marriage with a girl who refused to marry him. David wants to know who stopped his marriage and leaves the place without a word after seeing him. This worries his father, Ratnam as he fears that David might harm his son. Shiva hallucinates a woman who he calls Mala, who asks him ‘Why did you do like this?’ and he replies that he will correct everything. He is having a trouble for a reason and his family consoles him. Shiva’s sister is getting married and Shiva ensures that no trouble comes in the marriage. However, on the day before marriage, Shiva had to face a critical situation through David who threatens to stop his sister’s marriage like how Shiva stopped his marriage. Shiva begs David and tells him that he is ready to do anything for him in return of letting his sister’s marriage happen without any problem. David demands him to abduct a woman from Madurai, who is the daughter of Minister Manivasagam, an influential politician Madurai. Shiva agrees and leaves for Madurai missing his sister’s wedding.

A bandit leader kidnaps the wife of the policeman who killed his sister, but later falls in love with her.

Kannan and Dass are two famous rowdies in their village. Dass has a sister called Uma with whom Manikkampillai (shortened as ‘Mapillai’) is in love but she is not interested in him. Mapillai joins Kannan’s and Dass’ firm KD & Company as the manager, in an attempt to win the love of their sister. KD & Company once keeps as hostage a music troupe who comes to their village to perform. The main singer of that troupe, Sangeetha gets expelled from her home because of this and so Kannan and Dass gives her refuge upon insistence from Uma. Meenakshi is the childhood friend of Kannan with whose father, both Kannan and Dass has enmity.

Aadi meets a mysterious and concealing traveler George Koshy Anthrapper and travels with him from Kochi to Madurai. On their way, they come across Sunny and Kani who change their lives.

Friends Radha and Chelladurai lead a carefree life. When Radha accidentally kills Chelladurai’s brother-in-law, it turns them bitter foes, and a cunning man uses their enmity to his benefits.