Saravanavelu "Velu" is a state level Kabaddi player living in Chennai with his family. Velu's father DCP Sivasubramaniam constantly scolds him for neglecting his studies and favoring Kabaddi, while his mother Janaki loathes him. His younger sister Bhuvana is a sharp and curious schoolgirl who constantly argues with Velu's father, but continues to adore him. One day, Velu is sent to Trichy for a relative's wedding, but he skips the wedding to play a Kabaddi match in Madurai without his parents' knowledge. Muthupandi is a ruthless gang leader in Madurai who wants to marry Dhanalakshmi's girl.Muthupandi kills Dhanalakshmi's elder brother when he rejects Muthupandi's offer to marry him.

 Muthupandi also kills Dhanalakshmi's other brother in an attempt to avenge his brother's murder. Dhanalakshmi's father is a humble man who is horrified by Muthupandi's actions and asks Dhanalakshmi to leave Madurai to live peacefully with her uncle in the United States, giving him money and a college certificate. Escaping, Muthupandi captures Dhanalakshmi. However, Velu saves Dhanalakshmi by beating Muthupandi and taking her to Chennai. Velu takes Dhanalakshmi to his home and hides her in his room without the family's knowledge.Meanwhile, Muthupandi and his father, Home Minister Rajapandi, ask Sivasubramaniam to find Dhanalakshmi and the suspected kidnapper.

 Velu soon arranges a passport and plane tickets for Dhanalakshmi, who begins to fall in love with Velu. When Sivasubramaniam learns that Velu is behind the "crime", Velu and Dhanalakshmi run away from Sivasubramaniam and hide in a lighthouse. Velu and his friends arrive at the Chennai International Airport in time for the Dhanalakshmi flight before their Kabaddi match against Punjab in the Nations League final. Sivasubramaniam is furious that Velu is playing in the Kabaddi match even though he is a wanted criminal. He goes to the stadium to arrest Velu but decides to arrest him after the Kabaddi match on Bhuvana's request.

Velu realizes that he is in love with Dhanalakshmi and starts missing her, but sees her at the stadium during the match. Velu's lack of concentration in the game quickly compensates for his best after seeing Dhanalakshmi, who finally helps his team win the title. Later, his father arrests Velu, but he then stops Muthupandi, who wants to fight Velu after Dhanalakshmi encourages him to prove his worth. Velu defeats Muthupandi and embraces Dhanalakshmi. When Muthupandi regains consciousness, he tries to kill Velu, but during the fight, Muthupandi is accidentally hit by a broken spotlight and killed..