Badshah is a teenager whose father is Laal Mia, an electrician. His father suddenly dies in an electric accident. The family faces tremendous scarcity in the absence of only earning member. His mother, whom he calls Ammajaan, seeks pension money for her husband's death in his office. Then she is sent to the house of a top class officer of that office assuring that that officer may donate her some money. In the house, the officer eventually rapes her. Discovering her mother molested, Badshah becomes wrathful and kills that officer by stabbing with a Vojaali. He and his mother is punished by 14 years imprisonment. After 22 years Badshah becomes a criminal kingpin, but his wealth cannot make his mother happy. She never talks with her son due to that shameful event of her past. Badshah is extremely obedient to his mother, and works as a vigilante who brutally punishes rapers and woman-molesters. During a relief work for floods, Ammajaan sees Rina, a young university student who is the daughter of ex-minister Aziz Ahmed. She is engaged to her lover, Mijan. Ammajaan wishes for a daughter-in-law like her. Hearing this, Badshah chases Rina to her house and demands that they be wedded. Aziz Ahmed gets frightened, and summons Kalam, a notorious gangster, who was once Badshah's friend. Kalam threatens Badshah, but is unsuccessful. Meanwhile, Badshah rescues a raped girl, Kusum, and has her engaged with his best friend Nabab. Kalam employs a thug to plant time a bomb in Badshah's car. During an outing with the car, the bomb blasts with Kusum inside, taking her life. But Badshah and Nabab survive by luck. Badshah is informed by his old mate Siddhi Faruk, a weapons dealer that Kalam was the culprit behind this. Badshah seeks revenge by hunting Kalam down, but Ammajaan compels him to spare Kalam. Kalam kills Faruk for helping Badshah. Meanwhile, Rina tries to fly to the US with Mijan, but Badshah abducts her and brings her to his house for the wedding. When Badshah goes out for the wedding shopping, Rina explains her situation to Ammajaan. Ammajaan wasn't aware of the situation, yet she understands and assures Rine of her safety. Meanwhile, Kalam visits Badshah's house in search of Rina. He shoots Ammajaan, takes off with Rina. Rina sits for the wedding with Mijan immediately. Badshah comes home and hears Ammajaan's condition and hurries to the hospital. Realizing that his mother is critically sick and would be happy if he appears with his bride Rina, he runs to Rina's wedding. He faces vicious attacks by Kalam's gang, but manages to escape with Rina, and requests her for just a last show up in front of his mother. Rina agrees, and they go to the hospital. Injured but alive, Kalam also chases them in hospital, and shoots Badshah from the back. Kalam is shot to death by Nabab, and Badshah, barely alive, appears in front Ammajaan and requests her to talk and smile. Ammajaan does talk to him, for the first time in 22 years. She tells him to send Rina back to her lover Mijan. Mijan arrives with Aziz Ahmed, and Badshah hands Rina over to him. When the police arrive to arrest him, Badshah declares that no force in world can catch him but the Almighty. Saying this, Badshah dies in the hands of his Ammajaan.
