Yuvaratna is romance based movie in which, Rathna (Taraka Rathna) is a blue eyed kid of a wealthy parents and naughty guy among his friends. He happens to meet Sandhya (Jivida Sharma) a girl next door. One night she happens to spend with Rathna in his house. When his friends ask Rathna what happened, he tells that he had sex with her. This lie results in Sandhya's marriage getting cancelled. Sandhya do not know who did it. Rathna repents his mistake.
How he corrects his mistake is the rest of the story.