The special homicide case that was unsolved in 1997 resurfaced 13 years later. Criminal policeman Wei Zhengrong, who wasn't able to find out the real murderer that year was traumatised and left the front line. The once fledgling new policeman Lu Xingzhi grown from his innocence and has become a meticulous criminal investigation expert. The many coincidences of the case brought the master and apprentice together again to hunt down the real culprit.

A coming-of-age story of a group of youths who grew up together. The story takes place in 2007; four children from Shu De Faculty and Staff Family Hospital entered high school together, welcoming their sixteenth year of life. They form their own clique named "No. 1992", and embark on a journey filled with dreams, growth and warmth.