Kaavalkaaran.

Mani is employed as a driver with Marudachalam. Mani and his employer's daughter Susheela fall in love with each other and get married against Marudachalam's wishes. This also enrages Nagu, her father's business partner who intended to marry Susheela. In order to make her marriage successful, Susheela disowns her father and his wealth. Mani, on the other hand, loses his mother after a prolonged illness.