The story begins when the high-spirited Lin Xuan enters a small town middle school. It revolves around a group of friends with different styles. The story takes place in the trivial daily life and shines with youth. In four years, they experienced friendship misunderstandings, family turmoil, budding love, struggle with dreams and self-growth. Each volume has an independent theme, and the laughter and curses are accompanied by hilarious scenes and unexpected reversals. In the end, all the characters find their belongings in their respective weaknesses and pride, and bid farewell to the best youth.