Watch Periya Idathu Mappillai for Free: How to Stream the Movie Online at 123Movies. . Periya Thambi (Vijayakumar) and Chinna Thambi (Rajan P. Dev) are brothers and owners of a company. Gopalakrishnan (Jayaram) is from a poor family, despite being a graduate, he cannot find a job. To support his family, he becomes the driver of Periya Thambi and Chinna Thambi. Periya Thambi's daughter Lakshmi (Devayani) and Chinna Thambi's daughter Priya (Mantra) fall in love with Gopalakrishnan. What transpires later forms the crux of the story.