Lin Yu is a modern-day overworked office worker. One day, while heading home after working overtime, he is unexpectedly swept into the world of an ancient school novel by a mysterious beam of light, becoming a pitiful character with the same name. The original Lin Yu was a marginal figure abandoned by his family at an academy and often bullied.
After transmigrating into a book, Lin Yu is cheerful and optimistic, and soon attracts the academy's two most influential figures. Shen Xiuwen, a cool-headed top student and the dean's nephew, has outstanding grades and a frosty exterior, but is actually warmhearted. He looks after Lin Yu attentively and quietly helps him with his studies. Gu Yan, a sunny school bully with extraordinary fighting skills, does whatever he wants around the academy, but obeys Lin Yu without question and gets into fights with others on his behalf. The two vie for Lin Yu's attention, battling each other in public and in secret, leading to all kinds of dramatic showdowns...
