For a long time, boxing trainer Liu Siwen has been fighting for the love of his life, Ouyang. The only thing standing in his way is her father, an old martial arts master. Liu Siwen will only be allowed to marry her if he wins. Will Cheng Xiaoshi manage to see through the grandmaster's superior martial arts? 

Cheng Xiaoshi manages to gain access to the time of little Doudou's disappearance. While at first it seems that he can save the boy, the kidnapper poses a tought challenge to him.