Damayanthi Kariyawasam (Dhammi) (Anula Karunathilake) is
a mischievous school girl. Sugath Weerasekara (Wickrema
Bogoda) is a shy and introverted boy, who is new to the
school. He is quiet and talented in studying. Dhammi is
immediately attracted with this behavior and both become
friends, which eventually grows in to a special
Sugath, who has lost his parents when
he was very small, has a brother, who studies at university.
He talks about his relationship with Dhammi, with his
brother, Sarath (Wijeratne Warakagoda) as well.
But, the day they have their final exam, Dhammi tells
Sugath that she only loved Sugath as a brother and not to
keep any further hopes about her.
heartbroken and comes home to meet Sarath. In the meantime,
he pases his exams with flying colors and Sarath also marries
Champa (Sriyani Amarasena), who is willing to accept Sugath,
as her own brother.
But, Sugath who is unable to
forget Dhammi, keeps thinking about her and gets in to
drinking. He also loses his job as a teacher and sadly
departs from home.
One day, Dhammi comes to meet
Sugath and reveals the secret for her sudden change. She
states that her marriage with her cousin, Nihal was arranged
by their fathers, when they were small. She tells him that
she still loved Sugath, knowing that she would never have the
chance to become his. She begs for forgiveness from him for
playing with his feelings and asks him to change for her
sake, and to return home.