Satya is a story about a young man who gets involved in the criminal underworld of Mumbai and becomes a gangster. He faces betrayal, violence, and tragedy as he tries to survive in this dangerous world.

A leading psychologist's much younger wife begins an extramarital affair with his close friend. When the doctor finds out, he plots revenge, which puts himself, his wife, his close friend and his brother in mortal danger.

Shiva Kumar re-locates to Mumbai to live with his brother, and joins the police force. However, he befriends a rebel journalist hoping to expose the corruption of the force he works for.

Ganga is sexually molested, assaulted, tortured and killed by a goon employed by Pagla Jaan, a Kolkata-based notorious gangster, whose wealth, power, and influence are beyond imagination. Deva undertakes to locate the killer, succeeds in his mission and beheads him publicly. Deva does not know that soon his friends' and family's lives will be endangered, and he, himself, will be hunted down - not only by an enraged Pagla Jaan and his army of goons - but also by the Police.