This story begins with Chinna Vandu’s (Dhanush) brothers Paranjothi (Sriman) and Paranthavan (Sathyan), who are not yet married, despite their old age. Chinna Vandu, who studied in his uncle’s son home, falls in love with Vanaroja (Nazriya Nazim), who comes there to visit her grandmother (Sachu) and see the village festival. Chinna Vandu finds many ways to make Vanaroja fall in love, such as making her laugh, but she still does not fall in love with him. During the village festival, Vanaroja’s ring goes missing, so her father Poongavanam (Aadukalam Naren) comes there and tells everyone to find the ring for a reward of 1 lakh. Only Chinna Vandu finds it in front of Vanaroja, but he gives the ring to a poor lady to claim the prize, as Vanaroja does not like him. Seeing this, Vanaroja falls in love with him. Chinna Vandu makes a challenge to himself: to know whether Vanaroja’s in love or not. He gets to know that Vanaroja is also in love with him.
Vanaroja leaves the village to her home but upon reaching, she finds her father has arranged for her engagement with Krishna (Vamsi Krishna) and is getting married with Krishna on her birthday. Chinna Vandu comes to wish her for her birthday on that night and comes to know about the engagement. They both escape from Krishna and his henchmen. Chinna Vandu tells his cousin Soori (Soori) he has eloped with Vanaroja and asks him to come and meet them. Soori tries to find a way for Chinna Vandu to live with Vanaroja, but Chinna Vandu tells him he has already married her. Soori tells them to hide their marriage and go to his family in Kumbukonam. Soori brings Vanaroja to Chinna Vandu’s house, saying she is an orphan. His family accepts her in, but Chinna Vandu’s brothers start to love Vanaroja. Chinna Vandu comes there and makes sure his brothers do not marry her. After some days, their mother (Meera Krishnan) finds that Vanaroja is pregnant and throws her out of the house. Meanwhile, Krishna’s men find Vanaroja and kidnap her. Chinna Vandu finds Vanaroja captured by Krishna and follows him. He goes in a fight and wins, but Chinna Vandu is caught by his whole family, and his father Sambandham (Pyramid Natarajan) does not accept this, but Poongavanam comes and tells Sambandham that his daughter’s life needs to be happy, and so finally he accepts their relationship.

“National” Selvam is a small-time photographer who lives with his father “National” Shanmugham. They run a digital photography studio in their small town. Next to the studio is a flex-board printing shop owned by Selvam’s friend Sadha. His assistant Vigadakavi is a photoshop wizard who designs the flex-boards. Selvam is in a relationship with Shenbaghavalli, his high school sweetheart.

An unruly and spoiled girl Nancy is sent to the Physical Education College, which cultivates students into sports elites with strict regulations. Although her cousin Ken tries to help her get used to the ascetic life there, it doesn’t turn out as he intended. In order to pursue the handsome captain Tom, Nancy quits her favorite volleyball, but joins the Kung Fu team. What really annoys her is another girl Tina, who sees Nancy’s crush on Tom, is still chummy with Tom. Experiencing inter-school Kung Fu tournament enables Nancy to learn a lot from the Principle, her teammates and even rivals. Through tears and pains, the young ones grow up and get closer to their dreams. Since then, Nancy has found that practicing Kung Fu is no longer for wooing a guy.

A young man opts to run a marathon to prove himself.

Dharma is stuck in a rut with his negative and lonely lifestyle and spends each day in the comfort of his loneliness. A pup named Charlie enters his life and gives him a new perspective towards it.

Nallasivam (Kamal Haasan) and Anbarasu (Madhavan) are drawn together by the strings of fate after they come into contact at the Bhuvaneshwar airport. Anbarasu is an advertisement director, while Nallasivam is a trade unionist. Fate entwines their travel plans, and they end up travelling to Chennai together. In the course of their journey, Anbarasu, born with a golden spoon, is touched by the realities of the sufferings of a normal human being when he witnesses the dead and the injured during a train accident, and he volunteers to donate his blood, which is of a very rare group, despite his fear of blood. The flashback of Nallasivam is recounted during one of their journeys. Nallasivam is a communist trade unionist, who fights for higher wages for his comrades. By chance, he falls in love with the daughter Bala (Kiran) of a rich industrialist, Bala’s father, Padaiyacchi (Nasser).

A neo-realistic comedy set in a rural town, exploring the relationship between a father and a son.

Thiruchitrambalam lives with his father and his grandfather. He blames his father for the loss of his mother and sister and is not on good terms with his father. Meanwhile, his love life is not so successful.

A local barber’s fate turns overnight when he becomes the single deciding vote in the village elections.

Jayaram alias Jerry (Jithan Ramesh) is a man who takes risks and hates love. He is challenged by his friends to make three women love him. He makes a police inspector and his classmate Janaki (Shruthi Raj), an actress Janani (Mumtaj), and a police officer Jeeva (Meera Vasudevan) fall in love with him. Whether the three girls find out and whom he unites with forms the crux of the story.

A middle-aged couple, who get pregnant, much to the chagrin of their grown-up sons.

Katteri is a Tamil movie starring Vaibhav Reddy, Varalaxmi Sarathkumar, Aathmika, Sonam Bajwa and Manali Rathod in prominent roles. It is an adventure horror thriller directed by Deekay.