Rani Bharti has spent three years in jail without a trial, while CM Navin Kumar has become popular after introducing liquor ban in the state. The high court hands over Dr Sinha's son Manoj Sinha's murder case to the CBI; however, Dulari Yadav, the main accused is found dead.
Dulari Yadav's unexpected demise sends shockwaves through Navin's cabinet, breeding mistrust amongst them. Kalanaag, frustrated with the treatment meted out to him by the chief minister, brews a plan to malign Navin's government. Meanwhile, Rani's children are shot at outside the school.
Rani, out on bail, gives a ticket to Dulari's widow, Saroj Yadav, from the Sargunia seat against Kirti Singh, who is the CM's candidate. However, Saroj Yadav loses the bypoll election after news comes out that Rani herself ordered the hit on her kids.
Kalanaag meets Veer Sena Commander Kunwar Singh and convinces him to sell fake liquor in the state. Martin Ekka is investigating Kirti's husband Sunil Singh's murder and reaches the doorstep of truck driver Mahendra Rai, who is absconding, in Siwan some 100 people die after consuming spurious liquor.
CM Navin Kumar blames Kunwar Singh and raids his hideout. Dilshad Mirza's right hand man, Iliyas, is kidnapped and, on camera, he confesses to running the biggest liquor syndicate in Bihar. Rani confronts Navin in the Bihar Assembly and demands his resignation.
As Sanyasi Rai posts bail, Rani vows to bring down Navin's government and decides to celebrate the Sama-Chakewa festival. Meanwhile, Martin and Mishra confront Mahendra Rai, out on bail, and learn the truth behind Sunil Singh's murder.
Navin is forced to resign as Chief Minister after the double murder and Makhdoomabad hooch tragedy, and announces Kirti's Singh as his successor. The investigative report for both the cases submitted by the Bihar Police reveals a shocking truth.
A series of events compels Musafir Baitha to change his mind. When Navin asks him to step down from the Chief Minister's post, he refuses as Rani extends her support to him.