Jia Ba

The film follows criminal police officer Cui Xun over half a century of investigative work. Alongside his colleagues, he solved numerous major cases while staying true to his original aspiration of 'serving the people.' This legendary detective not only witnessed the evolution of China's public security system but also stood as a living testament to the rise of New China.

Set in the near future, the story revolves around the emergence of the virtual dream reality technology "Good Dreams", which allows people to do whatever they desire within their self-created dreams. However, a crisis triggered by these dreams quietly unfolds.

In the early days of the founding of the People's Republic of China in 1949, New China was faced with "internal and external troubles". Since the outbreak of the Korean Civil War, the U.S. military has repeatedly provoked the border between China and North Korea, and civilians have been brutally bombed. In order to maintain the hard-won peace and long-term stability for generations, in October 1950, the Chinese People's Volunteers entered North Korea, and the "Resist US Aid Korea" war kicked off.

In the 1940s, the world was in turmoil, and it was crucial to decipher the enemy's communication codes in a timely and accurate manner. Rong Jinzhen has shown amazing mathematical talent since her childhood, and because she solved the problems assigned by her math teacher, she was noticed by more people, and even walked into the door of code-breaking by mistake.