After failing to get into the police academy, Qin Feng (played by Liu Haoran), the talented boy who has a stutter, was sent to Thailand by his grandmother to find his distant cousin Tang Ren (played by Wang Baoqiang), the so-called “No.1 Detective in Chinatown” who is actually an unkempt middle-aged man, to relax. However, after a night’s fun, Tang Ren became the suspect of a bizarre murder and had to run away with Qin Feng…… Can they escape from the police, the bandit and the gangster, find the lost gold and find out the real murderer to prove their innocence in just seven days?...

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....