Yin Guo, a professional billiards player, stayed in Finland for a few months for an open match. By chance, she met Lin Yi Yang. After getting along, she realized that Lin Yi Yang was also a very talented person. A billiard player, he made mistakes when he was young and frivolous. He refused to bow his head, so he left his beloved billiards for more than ten years and went abroad. He has never given up billiards. Lin Yi Yang fell in love with Yin Guo at first sight. In order to pursue her, he tried his best. For their future, he decided to return to the arena and fulfilled his dream from many years ago.