Lara, an intelligent college student, indulges in a fight with seniors and unintentionally commits a murder for which he gets jailed. His life takes a turn after meeting MLP at the prison and Lara turns into a small-time rowdy upon release. As Lara grows close to Poorna and opts to settle for a normal life, his past keeps haunting him. How Lara survives forms the crux of Rangu.