Lei Xu, a childish and eccentric maverick, became a teacher and had a great influence on many kids. Thus, he was dubbed the Ace Teacher. However, Lei loved his students so much that the girl he loved dearly left him. Nervous breakdown and depression turned him into a hobo. Then one day he heard the familiar name Ya-rong from the school director.Now he comes back to the school to find that this Ya-rong is a completely different lady with the same name. It’s nothing but a misunderstanding. But his best friend coaxes him into rejoining the school to coach the rotten baseball team. We’ll see how this maverick wins the kids’ trust and helps them recover their passion for baseball when he gradually falls in love with the teaching job again at the same time.