Shalini and Amrutha are good friends and study in the same college as well. At one point, Amrutha falls in love with Shalini's father which forms the premise of this drama. What happens to Shalini and Amrutha's friendship? Does it get affected? What about Amrutha's love for Shalini's father? Some of the film's supporting actors include Singam Puli, Vaiyapuri, Vadivukkarasi, Karishma, Bavalakshman, Pondamani, Shankar, Vijai Ganesh, Natesh and Siva S. P.S. Selvam. KPS Akshai has directed 'Unakku 20 Enakku 40' and is one of the film's leading actors.