Karthik is a first class graduate but innocent and unsure about the ways of the world . His mum is the principal of the girl's school where Radha studies. She is a brat . She is often up to pranks and is scolded by the principal . She decides to teach her a lesson by trapping her son Karthik . She runs after him trying to lure him and in this process both really fall in love . She takes him to Kodaikanal for a picnic . Various incidents make Karthik realise that she is a go getter like she bashes up a gang of goons alone . He cannot drive horses but she can etc., He starts getting doubts about his own abilities . Radha keeps on chiding him for not being man enough . Her psychiatrist father keeps warning her not do that but she does not listen to him. Karthik also visits a dancer Jayamalini to assert his manliness but she advises him to become a sage as he is not up to her expectations . He tells his mother that he is renouncing everything and a huge function is arranged to make him attain sage hood . Radha realises her mistake and goes to him as a last resort all dressed up .She entices and instigates him enough to slap her and thrust himself upon her . In the end all becomes well and Radha falls at his feet to show that he is the boss . Karthik is good as an unsure inexperienced lover . Radha shows some acting prowess and emotions in the end.