Kalyug is a romantic drama. The movie revolves around Kunal (Kunal Khemu), a resident of Kashmir who relocates to Bombay with his father. Kunal’s father dies in an accident that leaves Kunal devastated, however, he learns that years ago his father promised to take care of a girl named Renuka (Smiley Suri) and to keep his dead father’s promise, he decides to take care of Renuka. He meets Renuka, and soon the two fall in love and get married. Things take a turn when an intimate video of the two is recorded by a group of people and is uploaded on an adult website. Kunal doesn’t lose hope and decides to fight back and expose their illegal racket.