A boy who grew up in poor family conditions but was a good student in the eyes of his teachers had a drastic change in his personality due to a family incident. He was no longer the cowardly little boy he once was. He began to become rebellious and commit all kinds of evil. But in front of love, he is like an unweaned child. By chance, he came together with a beautiful senior sister, and a humorous love affair developed. Unforeseen circumstances occur, and people have misfortunes and misfortunes. In the end, the unswerving love was defeated by reality...