Watch Secret Knowledge (1974) Official Trailer

Dinesh, our hero, is shocked to discover that Kanchan, a girl student is suffering from Syphilis and she has reached an incurable stage. And above that he is stunned to watch her own mother die of VD. He takes a vow that he would join a medical college, qualify himself as a doctor and dedicate himself for the cause of eradication of sex ignorance. But his father, Seth Jamna Prasad would not agree. There follows a tussle between the father and the son and Dinesh has to bid goodbye to his home for ever. He stands on his own legs, joins one Medical College, learns different lectures on all varied sex subjects, from Reproductive Organs to Development of Foetus. He also goes abroad for studying Psycho-Somatic treatment. Eventually, he establishes his own sex clinic and earns high repute in a short time, by treating all kinds of sexual abnormalities successfully.