Mithun Madhavan (Mohanlal) appears as a Mumbai-based Information Technology industrialist but a psychologist in reality. Priyan (Indrajith) is a software engineer working under Mithun. Priyan is in love with his uncle's daughter Dhwani (Parvathi) who was born and brought up in Chennai.The rest of the story deals with the disturbing events in Dhwani's life and how Mithun helps her overcome those.
50 years from now the sun is dying and life on earth is threatened by arctic temperatures. Mankind puts together all its resources and sends a spaceship carrying a huge bomb designed to re-ignite the dying sun.
Returning for his fifth year of study at the venerable Hogwarts School of Witchcraft and Wizardry, the ever-maturing Harry Potter is stunned to find that his warnings about the return of Lord Voldemort have been ignored.