Gunavanthudu is a family entertainer with a good comedy,action and romance released in the year 1975. Moving into the plot shobhan babu plays a dual role in the movie. Kantha rao plays a important character in the movie.Shobhan being a son of wealth father he enjoys his life he believes in his attitude. In the mean while prabhaker reddy plans to capture shobhan babu.In order to under take his business handled by his father.According to his plans he spoils shobhan babu.one fine day shobhan babu steals money from his house and gives it jayamalini and runs away from the house.Kantha rao gets to know it and falls sick.Prabhaker who is waiting for a opportunity plans to under take his business deals story takes a sudden twist here shobhan babu gets to know that he was caught in wrong position and thinks to go back to his house but he meets with an accident and dies then enters intothe scene a another shobhan babu born in a small village brought up by krishna kumari he finds a letter in his hand and shows to his mother krishna kumari gets to know that he is son of kantha rao and tells him that he is his brother and tells shobhan babu to save kantha rao the whole story revolves around shobhan babu and prabhaker reddy.??? how shobhan babu tackles prabhaker and protects his father.