Khadaan is a Bengali action drama starring Dev in a dual role and Jisshu Sengupta. The story is set in the coal-mining region of the Damodar Valley and revolves around friendship, ambition, power, and betrayal.

Shyam Mahato arrives from Purulia to work in the coal mines, where he joins forces with Mohan Das to build a powerful mining business. Initially, the two share a strong friendship and work together to gain wealth and influence. However, greed, jealousy, and betrayal gradually destroy their bond.

Years later, Shyam’s son Madhu becomes involved in Mohan’s coal empire and begins uncovering the dark truth about his father’s mysterious death. His search for justice leads to a dangerous confrontation with Mohan.