Shankar is a self-starter who is scorned and expelled from the family by his virago stepmother. However, he well-earns with his hard work and lives buoyant with his wife Sona and a child Munna.
Sally (Sally Yeh) is a club singer, caught in a love rectangle between three men: Stone (Kenny Bee), a bank robber newly released from prison, club owner Paul King (Michael Chan Wai-Man) and Pow (Melvin Wong), a policeman.
A journalist sets out to report on a minor earthquake in the Australian outback, and finds that the tremor was a result of a small nuclear explosion - part of an extortion threat that has the government fearing nuclear blackmail.