Sollathaan Ninaikkiren

Sollathaan Ninaikkiren is a 1973 Tamil language film scripted and directed by K. Balachander starring Sivakumar, Jayachitra, Srividya Subha and Jayasudha in the lead roles. The film has Kamal Haasan as a playboy and Jayasudha as a young girl married to an older man Poornam Vishwanathan. The film is based on a novel of the same name. Balachander remade the film in Kannada as Sundara Swapnagalu.

The movie turns the entire concept of romantic movies by its head the concept being that the hero does not always have to get the girl.

Source: Wikipedia