A young man (Prithviraj) shares a coffee table with a women in a fully packed restaurant. Soon the prying eyes surrounding the women assumes that the man is 'Arjunan'-a high-profile murder witness.

Manosi (Mamata Shankar) devotes her life to taking care of her family. When her son (Jisshu U Sengupta) grows up he doesn't respect her, but she continues to adore him. Her life takes an unexpected turn after her husband dies.

Sudheendran, who does not have a regular job, runs his household by doing odd jobs in his village. But chaos strikes when he falls for Sathi, Unni's daughter and his childhood friend.

Arjunan, who witnessed his parents being killed by lightning in front of his eyes, cannot bear the shock and arrives in Chennai from his hometown Madurai. Arjunan, who joined a kayalang shop in Chennai, starts to love a woman. Before marrying that woman, he was a worker and wanted to become an entrepreneur. He gave away all the money he had saved up until then and bought an old Tata Ace and married the woman he loved. Arjuna happily starts driving the vehicle, thinking that his life has become as happy as he thought it would be. Arjuna, who has been facing constant problems with that old vehicle, realizes that he has been completely cheated in buying the vehicle. He brings together all those who have been affected like him and exposes all the frauds in buying and selling old vehicles, seeking justice for himself and all those who have been cheated like him.