Antharangam story of the film is about an innocent girl who is cheated by her lover. She is being sold in the red light area. A painting artist goes to a brothel house.He buys Kamalika by paying Rs 2 Lakhs and takes her with him.
Kamalika also falls in love with him without knowing that he is a painter of semi nude pictures. At one point of time, he asks her to pose topless so that he could paint her image.