The movie revolves around the life of Periya Marudhu (played by Arjun), a notorious sandalwood smuggler who operates in the Tamil Nadu border areas. He is feared and respected by the locals for his bravery and generosity. However, his life takes a dramatic turn when he gets involved in a rivalry with a powerful police officer, ACP Kumar (played by Samuthirakani). As the story unfolds, Marudhu's past and his relationships with his family, particularly his sister (played by Priya Bhavani Shinde), are revealed.