JAGMOHAN murdered Kailash Nath's wife and daughter, but on the strength of his riches and wealth was acquitted by the court respectably.
On the other hand Kailash Nath an honest and brilliant lawyer changed and became the professional dealer of law and justice, and his buyers were two criminals Pratap Singha and his son Shakti.
Ajay Varma the successful student of law college was presented the gold medal by Kailash Nath who offered Ajay the job to assist him. Ajay was happy and accepted the Job.
Also happy were Shashi (Ajay's sister) Shekhar (An honest police officer) and his younger brother Prakash. Prakash is in love will Shashi and this truth is known to Ajay and Shekhar.
Prakash in search of a job reaches Shakti through Mano who is Shakti's mestress. Shakti has all his evil designs & wealth to possess Shashi. He makes Prakash the boss of the company which produces sapurions drugs and gets his involved in crime and takes advantage and spoils the chastity of Shashi.
Ajay goes to Kailash Nath to get justice to her sister Shashi. Kailash Nath who is just a puppet in the hands of Pratap Singh and Shakti refuses to fight the case. Ajay decides to fight the case himself. In the court Ajay loses the case at the hands of Kailash Nath who Shatters the respects of Shashi.
Now starts the war between Ajay and Kailash Nath. The war of law - justice and humanity. Who won? Why did Ajay return the gold medal to Kailash Nath? Under what pressing circumstances Kailash Nath was forced to marry his darling sister Shilpa to a criminal like Shakti?
On the day of marriage with what intention did Ajay go into Shilpa's room?
Why did the honest and law abiding police Inspector Shekhar threw away his stars and uniform?
Shekhar was thrown in the Jail by the criminals, (INSANIYAT KE DUSHMAN) Shekhar broke the Jail, what did he do thereafter? Was he successful in taking revenge of the death of his younger brother and prove his honesty?
Answer to all these questions is Director Raj Kumar Kohli's colossal drama "INSANIYAT KE DUSHMAN".
(From the official press booklet)