Sapnay is the story of Priya (Kajol) and her life. brought up by her father, Amal Raj (Girish Karnad), she is friendly, outspoken, sensitive, yet precocious and apt to get into trouble.

In her senior school days, she has an admirer in the name of Thomas (Arvind Swamy). She starts to like Thomas as well, the only problem is that her dad does not like Thomas's father.

How will Priya be able to convince her father to change his mind? Why does Amal Raj dislike Thomas's father?

The film had songs shot in Hindi while rest was dubbed from its Tamil version.