Sanjay Gupta and Bhushan Kumar's dream project Mumbai Saga is a gangster drama, set in the 1980s and 1990s. It revolves around the key events that turned Bombay to Mumbai, including the mills downing shutters, the murder of a key businessman, the nexus between politicians, cops, the underworld, and the business fraternity, and the drama around the eventual changes in the city's landscape.

The film stars John Abraham and Emraan Hashmi in roles. In the film where John plays the role of a gangster, Emraan Hashmi is all set to face him in the battle as he plays the role of a cop. It is a new kind of experience for Emraan.