Piranthaen Valarnthaen (1986) is an Indian Tamil-language film released on 1 October.
The plot follows Goundamani, who was sold to Senthamarai and later abandoned by his parents as an infant. He was adopted by a nurse along with her son, S. V. Shekhar, and raised alongside him. Jeevitha is introduced as the love interest of Goundamani.
Years later, unaware of his origins, Goundamani works for his biological father who has become wealthy. Their business rival happens to be Senthamarai. Upon learning about his past, Goundamani cleverly manipulates this situation, uniting with his father against the villainous Senthamarai.
The film is directed by Vijayasingam and written by Vietnam Veedu Sundaram, starring Goundamani. The cast includes Jeevitha, S. Ve. Shekhar, Rajeev, Senthamarai, Kallapetti Singaram, and Sent.