In a letter home, junior high school campus, daily life as the main scene, show a few wayward humorous life some rebellious, always positive and optimistic of junior middle school students.

以初中生牛信信的家庭、校园、日常生活为主要场景，展现一个有一些任性有一些叛逆、永远积极乐观的初中生的幽默生活片段。