ZhouZhou was born with a mental handicap on April Fool's Day to a cellist family. He loves to follow his father to attend all his performances. One day, after on interval of a concert, Zhou Zhou takes the baton and starts to conduct the symphony that he has been listening to for years. The result surprises everybody and obviously reveals his inner musician!

　　愚人节出生的舟舟是一个天生的弱智儿，痛不欲生的母亲要与儿子同归于尽……

　　在舟舟艰难的人生道路上，一根小小指挥棒改变了他的人生命运，音乐给舟舟带来了欢乐，也给这个家庭带来了新生和希望。