Secrets of the military-police collaboration were suddenly leaked, comrades narrowly escaped death, and clues pointed to the moth inside. A storm is coming quietly. During the investigation, it was discovered that the father's belongings were surprisingly related to the case, and the truth was sealed layer by layer. During a deep-sea dive, I accidentally obtained a golden finger. It can parse encrypted signals, restore remaining data, and penetrate electronic camouflage. Since then, the Morse code of the abandoned lighthouse, the sonar records of the submarine wreckage, and the invisible ink marks of the military port archives have all disappeared. While others struggled in the fog, I could see the source of each dark line. While the higher-ups were still arguing about the right and wrong procedures, I had already zeroed in on the military tattoos on the traitors' wrists. When the enemy thought that three hundred meters under the sea was the end, I was launching the deep-sea submersible and rushing to the final battlefield. These hands will eventually tear apart all disguises, let the sunken sins surface, and let the sacrificed names see the light of day again.
