Unable to tolerate society's injustices and devastated by rejection from the woman he loves, a meek lawyer develops a split personality: one side a vengeful vigilante killer punishing evildoers, the other a dashing playboy capable of winning her heart. Complications arise when the three sides begin to collide.

When an honest cop, Vijay Kumar's family is ruthlessly slaughtered by a politician and his aides, he decides to change his identity and commits his life to bring his daughter up in a serene atmosphere. But some freak events end up compromising his identity and what he does to save his daughter and avenge the death of his family unfurls as Theri.

Dr. Vaseegaran creates Chitti, a powerful robot in his own image, but it is rejected by the scientific body AIRD due to its lack of human behaviour and emotions. After a lightning strike triggers emotions in Chitti, he begins to develop human-like feelings. However, Chitti falls in love with Dr. Vaseegaran's fiancée, Sana, and turns against his creator, leading to dangerous consequences.

Ramu and Seetha have come to India for divorce. Ramu's mother Satyabhama is helpless and desperately remembers her dead husband Bangarraju. Lord Yama decides to send him to earth to help her.

A goon, Rajaraman, enrols himself in a medical college to fulfil his father's dream. He defies the college rules and creates problems for Dr Vishwanathan.

Bio-technologist Govind K Somaiyya sets about on a precarious journey to India to retrieve a vial containing a deadly virus and prevent it from reaching the wrong hands of an ex-CIA agent and deadly assassins.

When Sambandham gets hurt, Dr Janaki performs a surgery in order to heal him. However, during the surgery, Janaki accidentally leaves her wrist watch in Sambandham's stomach.

Thenali suffers from panophobia and seeks doctor Kailash's help but the latter denies his request. Later, when Kailash goes on a vacation with his family, Thenali joins them and charms his sister.

Saketh Ram's wife is raped and killed during direct action day riots in Calcutta. He is convinced that Mahatma Gandhi is responsible for all the problems happening in the country. He sets out to kill him.

Two boys grow up being influenced by each other's respective fathers. While one becomes a singer, the other becomes a local goon. Incidentally, both love the same girl in college.