At his detective wife's request, a young man joins a boxing club to find out about the illegal activities carried out by the head of the establishment.

Aparadhi is a 1976 Indian Kannada-language film, directed by Y. R. Swamy and produced by S. Heerabai. The film stars Srinath, Aarathi, Balakrishna and Narasimharaju. The film has musical score by Satyam. This film was the 500th Kannada film to be released.

Prakash is called in to investigate the theft of diamonds and the kidnapping of scientists; a trail that takes him to distant Nepal.

Professor Nataraj, a historian, unearths some invaluable secrets of the past. Rekha, his daughter, seeks the help of Mohan, to save his findings from notorious criminals.