An engineer's dream of making the perfect train for Indian Railways is given hope when the company commissions his prototype. After years dedicating himself to his dream, his family has suffered, but now he hopes to make it all up to them with the train's triumphant inaugural journey. However, an embittered fellow employee has other ideas.

Maharaj Singh is a proud owner of several derby-winning stallions, and lives in a palatial farmhouse with his wife, Rukmini and young son, Chimpoo. One day dacoits attack his farmhouse with a view of stealing the stallions.

In order to prevent honest Ramchandra from being elected as Mayor, Digvijay Singh alias Dharamdas sets his men upon him, his son, Ram Kumar, and his wife, all in vain, as Ramchandra wins. Shortly after his election, Ramchandra is framed and is forced to quit office after a scandal, and he hangs himself. Ram, his mom, and his sister, Chanda, re-locate and are not heard from again. Then a young man, Prince Chandrashekar from Johanneburg, South Africa, surfaces, claims he is a multi-millionaire, and would like to go into business with Digvijay Singh. This Prince also meets with Digvijay's sister and friend, Renuka, and Manju respectively and has an on-going affair with both at the same time. Digvijay is not happy with what's going on, and he asks his men to investigate the background of this Prince, and what they find will change Digvijay's life forever.

An army captain falls for an outgoing young woman, but unknowingly weds her shy twin sister.

Heer Raanjha is a 1970 Indian Hindi-language romantic musical film directed by Chetan Anand. It stars Raaj Kumar and Priya Rajvansh and tells the tragic love story of Heer, a wealthy girl, and Ranjha, who has been banished by his family. The film is often referred to as a Punjabi version of "Romeo and Juliet.