If truth is based on lies, does truth exist? The woman who mysteriously disappeared, the confusing truth and the conflicting evidence chain at the scene. Can Qin Liang, the captain of the K City Criminal Investigation Team, find the only truth in the fog? Yin Suzhe, the "newbie" captain who was forced to switch to economic investigation due to physical reasons, was forced to get involved in the case. Is it Qin Liang's help or the biggest resistance? Welcome to the story of the K City Police Department. What they walked through the fog was the pursuit of the truth. Qin Liang wanted procedural justice, while Yin Suzhe pursued the truth behind the fog. They stood at the same starting point, but parted ways in the not-too-distant future... It was actually a simple story of two detectives.
Mission: Justice will surely defeat evil