Krishnasamy (Arjun Sarja), a respected man, and Samiyappan (Thilakan) are in a feud for several years. Amudha (Nikitha), Krishnasamy’s daughter, hates her father because she thinks that he is a killer.
A few years before, Krishnasamy was a tea master with his friend Kandhasamy (Goundamani). After his father’s death, Krishnasamy had a lot of responsibility. He fell in love with Sindhamani (Roja). In the meantime, Samiyappan, a local don, cancelled his engagement because Sindhamani’s father promised Sindhamani to his son (Raja). One day, Krishnasamy ridiculed Samiyappan in a politic function. This humiliation irks Samiyappan, so his henchmen burnt Krishnasamy’s house and Krishnasamy’s brother who was in the house died. In anger, Krishnasamy entered Samiyappan’s house and fought against his henchmen but an honest police officer (Nagesh) arrested him before he committed murder. The police officer gave him a mission: stopping Samiyappan’s illegal activities.
College goer Karunakaran (Arulnidhi) finds it difficult to adjust with the society that he lives. As a result, he is unable to control his anger and ends up with trouble. His unpredictable behavior becomes a constant worry for his mother (Sujatha Sivakumar) and brother. A series of incidents force him to leave his hometown Madurai and end up in Chennai. Despite scoring high marks in school, he joins a local arts college in the city and stays in a hostel, where trouble begins. Meanwhile, while traveling from Bangalore to Chennai, Assistant Commissioner Marimuthu (John Vijay), Inspector Rajendran (Madhusudhan Rao), Sub-Inspector Selvam (Balakrishnan), and Sgt/Head Constable Perumalsamy (Krishnamurthy) witness a car accident. When they are about to take the victim (son of a Bangalore-based business tycoon) to a nearby hospital, they come across a huge stash of cash. The policemen kill the half-dead victim and flee to Chennai with the money. The sincere police officer Palaniammal (Uma Riyaz Khan) takes up this case. A cluster of lies, ego clash at the hostel, and family’s ignorance brings Karunakaran into this crime plot. The rest is a racy rollercoaster ride that forms the climax.
Anand (Jai) is a young, carefree man from Salem who comes to Chennai to stay with his TV journalist friend Chandru (Santhanam) to pursue his dream to become an actor with the help of his girlfriend Divya (Priya Anand) and Chandru. Meanwhile, Minister Viduthalai (Delhi Ganesh), who was touted to become the next chief minister, is killed by Minister Anbu Chezhiyan (Sampath Raj), which gets recorded on tape of an ad film director Vinoth. Anand befriends a famous model Pooja (Lakshmi Rai). They both see the video and inform Commissioner Kailasam (Thalaivasal Vijay). Kailasam sends goons to get the tape, and Vinoth evades. After a long chase, Vinoth gets killed in the train where Anand and Divya were travelling. Anand places the tape into Divya’s bag and develops a friendship with her. In an urge to become an actor, he observes the character of people with a strange attitude, and one such person is John Vijay (Rahman). Anand joins John, and he promises to make him an actor. John takes Anand to a stranger’s home and does things as if they were thieves. One such house was that of Pooja, where they go and get information regarding her. On that eve, Anand befriends Pooja when he saves her when she was laid in a pool of blood after being attacked by goons. She helps him become an actor and asks some photos of his to get him a chance. When Anand goes to Pooja’s home, he finds her dead and is put to blame. Anand goes underground, mistaken by Divya and her mother (Urvashi).
Five-year-old Krishna Mehra, son of Rohit and Nisha Mehra, undergoes an intelligence quotient test by a professor, who suspects that he has superpowers, due to Krishna answering all the questions flawlessly. His grandmother Sonia (Rekha) takes the young Krishna to a remote mountain village to conceal his unique abilities. Years later, Krishna (Hrithik Roshan) meets Priya (Priyanka Chopra) and her friend Honey (Manini Mishra) when Krishna’s friend Bahadur (Hemant Pandey) takes the girls’ camping crew near his home to camp. Krishna saves Priya from a hang glider accident and falls in love with her when spending time with her.
After returning home to Singapore, Priya and Honey are fired by their boss (Archana Puran Singh) for taking a non-permitted extension of 5-days in their vacation. In order to keep their jobs, Honey suggests her boss making a television program about Krishna. Aware of Krishna’s love towards her, Priya calls him to join her in Singapore to ask her mother permission to marry her. Krishna’s grandmother objects to this, saying that people will want to take advantage of his abilities. She then explains that his father Rohit was hired by Dr. Siddhant Arya (Naseeruddin Shah) to design a computer that could see the future in order to prevent wars and help prepare against natural disasters.
Marudhamalai (Arjun), a police constable, goes to work in the village of Nachiapuram after passing his police exams and getting a merit. Here he meets ‘Encounter’ Ekambaram (Vadivelu), his senior officer. He is asked to do all sorts of work for him, and one day, Marudhamalai loses a convict on the way to the court due to Ekambaram’s soft heart. He then is to clean the floors of the inspector’s house and there he falls in love with Divya (Nila). Then, later in the market, after Ekambaram is humiliated by a beggar, Marudhamalai sees Maasi (Lal), the ‘boss’ of the city, killing a person who stood for a candidate in the elections. Then the election commissioner comes to the place, and he discovers that elections have not been held for 16 years in the city due to Maasi’s opposition.
Semma Botha Aagatha
The movie begins with Ramesh (Atharvaa) waking up in a hangover and remembering the events of the previous day. After a breakup with his girlfriend Madhu (Mishti), he drinks a lot along with his friend Nandhu (Karunakaran). On his advice, Ramesh calls for a female escort and sneaks her into his apartment. Ramesh has to step out of his house due to his neighbor Devi’s (Devadarshini) emergency situation. He asks the escort Nina (Anaika Soti) to wait inside his house, promising to come back soon. While he returns, he finds her dead. Ramesh is shocked and tries to find details about her. He sees restaurant receipts in her bag, checks the CCTV footages, and finds that another man Ravi (Prinz Nithik) had accompanied her prior to her meeting him. From her cell phone, he finds her house address, travels to Palakkad, and asks Nandhu to stay behind and guard the dead body. He is not able to find any information from Nina’s family and leaves, but Nina’s sister makes a call to Sekar (John Vijay) and informs him about Ramesh.
Singapore-based Dr. Siddhant Arya recruits a superhumanly powerful Indian-born man named Rohit Mehra, who was given special powers by a blue-skinned alien named Jadoo, to build a computer that can forecast the future, which results in an accident that kills Rohit. When this news reaches Rohit’s mother, Sonia, in India, she passes this on to Rohit’s wife, Nisha, who has just given birth to a son named Krishna. However, Nisha, unable to handle this devastating news, passes away, leaving Krishna to be brought up by Sonia. When Krishna is enrolled in school, she notices that he has the same intellectual and physical powers that his father possessed, so in order to shield him from any harm, she moves to a secluded and remote area in a mountainous region of the country, where he grows up. Years later, Krishna has matured, has acquired the same special powers that his father had, and is also able to communicate with animals. He meets with a camper named Priya and is attracted to her.
Kameshwaran is a talented ad film director who works in a company owned by Vanangamudi, in which Kamu’s cousin Rameshwaran is the CEO. Despite being more talented and skillful than Ramu, Kamu does not become the CEO because of a small mistake he did the past. He rues over this issue and blames Lord Brahmma for making his life not as he wished for. Kamu is in love with Manisha, an advertisement model, and she too reciprocates his feelings.