The film begins with Petta, a retired don, leading a peaceful life as a school principal. He runs the school with an iron fist but with a heart of gold. However, things take a turn when a new student, Kumar (played by Vijay Sethupathi's lookalike), a soft-spoken yet lethal killer, joins the school.
The movie builds around action, drama, and sentiment, exploring themes of friendship, loyalty, and sacrifice. Petta fights not only to save his school and students but also to help Kumar confront his past. The film begins with Petta, a retired don,
The movie wraps up on an emotional note, showcasing Petta's soft corner for his students and adopted son Kumar. The film begins with Petta