Ghazab is an action crime drama. The movie follows the story of twin brothers, Ajay and Vijay (double role by Dharmendra). However, Vijay gets murdered mysteriously, which leaves naive and gentle young man Ajay alone as the owner of a wealthy estate. Later, Ajay is visited by Vijay’s spirit, who informs him of his murder and seeks his help to avenge his death. Ajay agrees to help his brother; however, he might not be as powerful as his enemies and find himself with the same fate as his brother. Will Ajay manage to escape his enemies and instead teach them a lesson to seek justice to his brother?