The chief investigator of ICAC Chan King Chi's childhood friend Hui Chik Yiu does a spy job in the smuggler company even after he mysteriously fleets to Australia.The chief investigator of ICAC Chan King Chi's childhood friend Hui Chik Yiu does a spy job in the smuggler company even after he mysteriously fleets to Australia.The chief investigator of ICAC Chan King Chi's childhood friend Hui Chik Yiu does a spy job in the smuggler company even after he mysteriously fleets to Australia.