Nandini's father, a judge, does not approve of Kannan, her lover. When they elope, Kannan is arrested, leading her to believe that he has deserted her. This leaves her embittered against him forever.
Shanmuga Pandian is a kind-hearted person and respected estate owner, he lives with his father Selvanayagam and mother Lakshmi and sister Sumathi. Shanmuga Pandian and Divya fall in love with each other. At Sumathi's wedding, Selvanayagam is falsely arrested for suppliyng weapons to terrorists. Thereafter, Sumathi's wedding is immediately stopped, Lakshmi becomes paralyzed and Divya refuses to marry him only because Shanmuga Pandian became poor. Nandhini hires Shanmuga Pandian in her company but her father considers Selvanayagam as his nemesis. Shanmuga Pandian and Nandhini fall in love with each other. The conspiracy against Selvanayagam was in fact planned by the corrupt politician P.K.R and his son Vasu. Later, Divya gets married with Vasu but the sadistic Vasu tortures Divya. The rest of the story is Shanmuga Pandian proves his father's innocence and revenge the villains with the help of Divya and Nandhini.
Sandhya is fed up of her life that is controlled by her father. She runs away from home but soon loses her money to Eeshwar. Waiting around for him to pay her back, she falls in love with him.
An Inspector is assigned to track down a large sum of stolen money. His investigations lead him to a couple of small time crooks, a village belle, a murder, an absconding suspect, and an international drug dealer.
