While on a trip to Asia, a French adventurer Jacques gets engaged to Tin Mihn. During his stint in India, he gets hold of a mysterious book but he ain't aware of its origins or value. The book has the valuable last will and testament of Rajah Oursavi, which contains clues about an Indian treasure along with some coded message revealing the whereabouts of sensitive government intelligence. Unaware, Jacques is stalked by foreign spies, an Indian god-man cum hypnotist specialized in herbal medicines and an evil German doctor, who all will stop at nothing to obtain the book. Jacques n Tin Mihn has to face burglaries, attempted murders, superfluous disguises, kidnappings, hypnoses and amnesia-inducing drugs.
