The story is about the eponymous Hanumanthu,a simpleton. A man of huge strength but little guile. He lives with his grandmother in a remote village. In the village, Krishnamurthy calls the shots as he is a revered freedom fighter. But there is an other side to him. Nobody in the village knows about. Meanwhile, Hanumanthu falls in love with his uncle’s daughter Sathyvathi (Madhu Sharma). She is a wannabe beauty queen.In that quest, she takes off to Hyderabad and Hanumanthu accompanies her. In the city, Hanumanthu runs into Krishnamurthy in a quaint situation.