the film on krishna (n. t. rama rao) notorious as kd no. 1 an intimidation to gangsters. he is in search of a gang circulating fake currency by which his family esteem is denounced. as a result, his father inspector rama rao (mikkilineni) is sentenced and his mother shantamma (anjali devi) is suffering in the mental hospital. once, krishna gets acquainted with petty thief lilly ratnam (jayasudha) and they fell in love. concurrently, shantamma reacts to lilly by calling her as sundari. immediately, krishna seeks lilly's father johnson (mukkamala) then he replies that earlier one of his fellow burglar jaggu (bheema raju) bequeathed lilly to him. right now, in the association of lilly shantamma recovers. at the same time, jaggu returns, captures lilly and mortgages with her real father ram prasad (prabhakar reddy) when krishna saves her. thereafter he hands over her to ram prasad who recognizes her as she resembles her mother sundari (again jayasudha). here, krishna realizes that the chair behind the fake currency is ram prasad. so, he decides to bolt him, progressing krishna identifies i.g. yugandhar (jaggayya) one that counterfeits himself as a candid is the real blackguard. soon, he meets his father in prison and he narrates the past. indeed, rama rao, ram prasad, & yugandhar are close friends. at a point, rama rao detects ram prasad as a gangster and rounds up him. being cognizant of it, yugandhar indicated rama rao in the crime of the same fake currency. knowing it, sundari decides to divulge the truth when on the ordinance of yugandhar, jaggu slaughtered her and absconded with lilly. in that mishap, shantamma lost her consciousness. just after, krishna makes a play, by creating better fake currency for which yugandhar takes shantamma into his custody. eventually, double-crosses ram prasad. at last, krishna valorously encounters him and proves his father's innocence. finally, the movie ends on a happy note with the marriage of krishna & lilly.