Haraamkhor is a romantic black comedy-drama movie that revolves around Shyam Tekchand (Nawazuddin Siddiqui), a school teacher in the village. Shyam, despite being married, gets romantically involved with one of his students Sandhya (Shweta Tripathi). Shyam wants to keep the relationship a secret, but somehow this relationship comes to light, and Shyam scolds and hits Sandhya for being obvious. Chaos ensues when Kamal, Sandhya’s classmate, woos her and seeks revenge from Shyam for breaking Sandhya’s heart.