Thirupathi (2006)

Thirupathi is a straight forward young man who leads a happy life with his parents and younger sister. He happens to meet Priya and both fall for each other. Thirupathi’s sister is pregnant and at the time of delivery, he takes her to a hospital. The doctor there expects bribe but when it is not forthcoming, neglects his duty because of which Thirupathi’s sister dies. Thirupathi comes to know that this is not the first instance in the hospital and the doctor is none other than Soori’s brother. When he goes out to get him, Soori and his father do all that they can to protect him from Thirupathi. How Thirupathi gets his revenge on the people responsible for his sister's death forms the rest of the movie.