Sathyamurthy alias Sathya is the son of a school teacher in Kumbakonam. Vimal is a happy-go-lucky youngster, who yearns to do business. To achieve his 'mission', he borrows money from all quarters and is almost drowned in debts. Even as his father advices him to start leading life in a right manner, enters Selvi, a student. Sathya gets acquainted to Selvi and his life takes a turn. Meanwhile, Selvi gets into trouble and the baton is passed on Sathya to ensure that all goes well. How Sathya helps her overcome troubles and does romance blossom between the two forms the rest.
Ajay (Asif Ali) is a student at National Defense Academy, Pune. His ambition is to become a soldier. Ajay’s father Sidharth Sankar is a well known lawyer in Kochi. When Ajay reaches Kochi, his father is dealing with a lawsuit and he needs the support of Ajay. Meanwhile, Saral (Malavika Mohanan) enters the life of Ajay. The resulting intriguing events are plotted in ‘Nirnayakam’.