Suran goes to town to spend the next vacation with Janith, and he takes demon (Gopalu Yaka) with him.They manage to hide Gopalu in the house but in town the demon hardly gets any place to hide from the sunlight which is unbearable to him.However at night, Gopalu become normal and active.

The film is based on the political and cultural events of King Keerthi Sri Rajasinghe and his reign.