Ensuring the integrity of the Police Force and rooting out the corrupt cops hidden among its officers who broke the law and committed crimes.
That mission was the fundamental purpose behind the operations launched by the Political Investigation Department and the Internal Investigations Branch.
Some unwritten rules were harmless and hardly warranted making a fuss over.
Through the painstaking efforts of Lau Bo-keung and Yu Suqiu, the internal review covering every level of the Police Force was now in full swing.
Meanwhile, over at the Criminal Operations Department, the Criminal Intelligence Bureau's undercover operation had largely reached the stage of closing the net.
Lok Kai-cheung, the Assistant Commissioner of the Criminal Operations Department, was not the principal officer in charge of this undercover operation.
He was only responsible for making decisions and requesting support from his boss at the very top.
The specific operational details, along with securing assistance and cooperation from colleagues elsewhere in the Police Force, rested entirely on the shoulders of the head of the Criminal Intelligence Bureau.
In the National Security Department's office area, Kung Ka-pui returned to his former department with a female officer in tow.
This time, however, Kung Ka-pui did not head to the International Affairs Department. Instead, he walked straight into the Operations Security Department's command centre.
Although the Criminal Intelligence Bureau had its own high-tech command hub, too.
Neither the capabilities of its personnel nor the sophistication of its technology could compare to the National Security Department's Operations Command Centre.
Most importantly, Kung Ka-pui also needed the cooperation of the National Security Department's operations elite when closing the net on this undercover operation.
As someone who had come from the National Security Department and was also one of Zhou Quan's trusted subordinates, Kung Ka-pui naturally had access to its Operations Command