Insaniyat Ke Dushman

Jagmohan, a prominent businessman with underworld dealings, approaches renowned advocate Kailash Nath, to represent his son who has been charged with murder and may face the death penalty. Kailash refuses to do so, and Jagmohan's son is hanged. Angered, Jagmohan kills Kailash's wife, Laxmi and child in front of him, and escapes. He is eventually arrested and brought to trial, but is found not guilty. Kailash decides to avenge this on his own, but Jagmohan has left the country. (imdb)