This story is about a 36-year old university teacher, Hao Huigui, who doesn’t live a happy life. He has put with up this kind of life and hopes to go back to his unclouded teenage. By a chance, he goes back. Unexpectedly, he is still 36 and becomes an intern class adviser of grade 12 students. In his class, he meets another him at the age of 17, Liu Dazhi. Hao Huigui knows what Liu Dazhi will face and suffer in the future. But when the man of the world tries to change this passionate boy, everything doesn’t seem to be easy....