Swarnatrisha (1989)

The story is as Interpol agent Himadri gets into Sea king Company by means of faking love with Nina, the daughter of Mr. Sehgal. Himadri's actual plan is to get access to the secret documents of Mr. Sehgal who has an alliance with Mr. Sato. Sato has a chart of the gold treasures dipped under the ocean and Kamakazi, the Japanese Smuggler is after it. Interpol plans to catch Kamakazi through Mr. Sehgal but unfortunately Himadri gets exposed and he is thrown out of the company. In the meantime a businessman gets kidnapped by Kamakazi whose daughter Mari is instructed to seduce Himadri. Helpless Mari agrees in order to save her family. Himadri and Mari, in spite of knowing each other's background story falls in love. After some hard-hitting action, finally Interpol successfully busts kamakazi's racket but the movie ends on a somewgat tragic note as Mari dies in this process and Himadri lives a lonely life.