Contract - Season 1

Black Ranju vows to kill Amulya for betraying him, but Bastard, a young boy, manages to save his life. Years later, when Bastard grows up, Amulya meets him and convinces him to take the contract to eliminate Black Ranju. Bastard disguises himself as a trader and meets an important member of Ranju's gang.

Black Ranju is back, and he kills a big businessman to announce his arrival. Meanwhile, Bastard follows Lady Giyas and reaches a hotel where he finds Begh, a gritty cop, following him.

Iftekar plans to kill Shamshur and asks Amulya to give the contract to Black Ranju. Meena is pregnant and Ranju decides to marry her. Ranju threatens Gazi Pir as he suspects his involvement in the death of his gang members. Meanwhile, Begh's investigation leads him to Foxy Brown parlour but Bastard manages to escape with Uma just in time.

Shamshur is killed and the cops arrest Ranju and Giyas, but Ranju's men attack the cops and manage to set them free. Meanwhile, Bastard meets Meena and tries to convince her to accept a business offer. When Meena fixes a meeting between Ranju and Bastards, Ranju makes a plan to trap Bastard instead.

Ranju becomes the ultimate Don of Bangladesh and politicians advise him to go underground. Ranju's brother Rocky interrogates Bastard but he manages to escape. Begh reaches the hotel and questions Uma but allows her to go as she knows nothing. Meanwhile, Ranju's men kidnap Amulya.

Bastard kidnaps Rocky, while Amulya is abducted by Ranju's men. Bastard comes to meet Ranju and offers to make a deal but just then the cops arrive at the location and Ranju flees with his son. Finally, Ranju, Meena and Bastard agree to make a deal but the cops arrive and ruin their plans.