Subba Rao, an age-barred unemployed graduate, starts a detective agency to make his living. His first assignment is given by GK, a millionaire industrialist, to spy on his fiancée Dr. Suseela. Subba Rao does not the like the idea. Subba Rao feels that the marriage be based on trust. Subba Rao tells GK a like that Suseela's character is not good. Why does Subba Rao do such a thing?