After repeated failures of the Unit 9191, Amitabh bargains for more time. He is given an ultimatum of one month to show a real case and reason to continue with the unit. Will the Unit 9191 be successful in decoding two calls that they receive just before Independence Day!

Unit 9191 is on the edge chasing Hasan and Sajid, who have come to Mumbai from Uttar Pradesh. Also, chasing Rajesh Sharma alias Jamaal Khan, who has absconded after the Unit 9191 traced him. Will they be successful or fail once again?

The unit is busy tracing two college students Rishabh and Kunal who are probably on a run with dangerous chemicals. Is there another Acid Attack being planned, similar to Swati Purohit's acid attack, whose culprits are still at large? Meanwhile, Jamaal and Sunaina are spotted in Surat. What exactly are they up to?

Will the revenge attack on Ajay and Nagesh be averted? Will the unit taste a second success in 2 days? The unit still hovers with questions about Jamaal and Sunaina, and they get a surprising call from Jamaal. Amidst all this, a message from Delhi is intercepted concerning an elderly couple from Amsterdam citing danger. What will Unit 9191 do?

Pankaj has backstabbed the unit. Will Amitabh be successful in getting to Jamaal surrender safely? Arfia has received an abduction alert video. Is there any ransom attached? Is this a regular kidnapping or a planned crime? A strange ransom letter reaches Bipin Parekh's house in Mumbai.