The film follows a talented college rockstar and computer genius who teams up with a woman named Hima on a highly critical national security project code-named Mission 18.
Chandran lies to his boss that his mother is unwell to get a leave but gets caught. In order to save his job, he is forced to pretend to his boss that he has a good-for-nothing twin brother.
Randhir, a straightforward and hardworking man, sets out to avenge the death of his twin brother Ranvir, a criminal, who was murdered by a prison inmate.
A watchman (Ramnath) is killed by his corrupt bosses when the former tries to stop their criminal activities. Years later, Ramnath's sons decides to avenge their father's death.
Gopal, a secret agent, investigates the death of his colleague who possessed evidence against a known terrorist. Gopal and Kamla embark on a journey to find the traitor.
Suraj Singh (Shatrughan Sinha) lives with his widowed mother Padmini (Moushumi) in a small hut in a Bombay city slum. He cannot stand injustice in any form, and this places him in the bad books of Police Inspector Shankar (Dharmendra).
Nagpal kills Chaudhry and his son, Ram, a military officer. Chaudhry's second son, Vikram, vows to destroy Nagpal who is all set to become the Chief Minister on the upcoming Indian Independence Day.
When Kashi visits a community with his father, he is shocked to see the torturous regime of Katya. He tries to oppose Katya, but ends up compromising the safety of his family and relatives.
