Interpol follows a fat man from Tokyo to Hong Kong to Manila as he takes care of business for an opium empire.

Vidya (Moushumi Chatterjee) and Raja (Raju Shrestha) live in poverty. They get separated due to certain circumstances. Vidya starts working at Anand's (Jeetendra) house as a maid. Raja is forced to beg for a local gang. While Vidya is attending to her chores, the alcoholic, Anand, tries to molest her. She escapes but is unfortunately hit by a speeding vehicle driven by Sunil Verma (Navin Nischol). This accident makes her visually impaired. The guilt-ridden Anand wants to apologize to Vidya. Will she accept the apology? Will Vidya reunite with her brother?

Raja and Ashok are old friends, almost like brothers. One day Raja meets and falls helplessly in love with Madhu. A bit later, Madhu and Ashok meet by accident, and Ashok also falls in love with her. It gets further complicated by the fact that Ashok's father was in love with Madhu's mother and continues to carry a grudge against the family.

A group of people of Indian origin live on an Island which contains a tomb of Shahenshah Chandi Sona which is believed to contain jewelry, diamonds, and gold. Mayur and Rita, stage actor love-birds, plot with Amar to steal this wealth and better their lives. They decide to buy a house from a woman named Mayadevi, and after doing so they decide to make a swimming pool and through that dig a tunnel right underneath the tomb and help themselves to the riches that they find there. They also decide to enlist the help of four jailbirds by dramatically helping them to escape from prison. After the completion of the tunnel, they run into an underground pool of water and enlist the help of undersea divers Bikram and Sharma.