Bhairathi Ranagal delves into the story of Ranagal. How did he rise to such prominence? The film focuses on his origin, his journey to power, and who he was before he became the most dreaded gangster of Ronapura.

Gana, a police officer, must go undercover to find and kill Bhairathi Ranagal, a crime lord. However, when he realises that Bhairathi's intentions are good, he needs to decide his next step.