Du Xiangdong asked Director Li for leave on the excuse that Liu Fenfang's second aunt was critically ill, in fact, to track Xu Wenguo's whereabouts.Although Director Li knew it well, he did not expose it. He just reminded him not to show off his power when he went out.Du Xiangdong nodded in agreement and then boarded the train to Mutong County.The scenery outside the window flashed by, but his mood became heavier.

After arriving in Mutong County, Du Xiangdong immediately met Lao Xia.Lao Xia used to be a policeman, but now he has changed careers and become a businessman.Despite his identity changes, he still has a wide range of connections in Mutong County.He took Du Xiangdong to a noodle restaurant, and through the relationship of his former colleagues, he tried to investigate Xu Wenguo, who was named %Wang Hongbing.However, the news received was frustrating. Xu Wenguo was not from Mutong County, and as a major coal mine center, the county has many foreign miners, making it extremely difficult to investigate.

Old Xia looked puzzled and told Du Xiangdong in a low voice that there was no letter of introduction and search warrant. It was tantamount to finding a person from another place.State-owned coal mines may still be able to do things according to the rules, but private mines are mixed with good and bad luck. The mine owners have their own ulterior motives and will not cooperate with the investigation at all.After nightfall, Lao Xia took Du Xiangdong into a nightclub with bright lights and wine, trying to get clues from the private mine owner.

At first, the mine owners mistakenly thought Du Xiangdong was here to investigate the death of the miner, because a miner did die recently.But when they saw the photos on the wanted order, they firmly stated that the deceased was not Xu Wenguo.Just when the atmosphere was tense, some mine managers walked in, and one of them recognized Xu Wenguo and called him a person from their mine.

At the same time, Xu Wenguo was taking several miners into the mine.Under the dim mine lamp, he keenly discovered a new miner's expression was abnormal.When the other party approached, Xu Wenguo's pupils shrank because the man turned out to be his inmate Zheng Sanchuang.The few people beside Zheng Sanchuang all showed fierce looks and looked cruel.

After Du Xiangdong met Lao Xia and Zhang Xiangyang, he went straight to the mine.They found three yellowed photos in Xu Wenguo's dormitory, thus confirming Xu Wenguo's identity.On the other side, Zheng Sanchuang and his men surrounded Xu Wenguo, and the blade flashed with a cold light under the mine lamp.Xu Wenguo knew that the other party was not good, so he fought against many people with one and urged Xiao Ding and others to leave.After hearing Xu Wenguo's shout, Xiao Ding and others picked up their shovels and rushed into the melee.The mine suddenly fell into chaos, with the sound of iron tools colliding, roaring and painful crying one after another.

Just as the two sides were fighting fiercely, an ominous break suddenly came from the top of the mine cave.Immediately afterwards, accompanied by a loud bang and a thunderous gravel, the front and rear exits were blocked.As the smoke and dust filled, Xu Wenguo shouted to let everyone stop and pointed out a secret escape passage.At this time, Zheng Sanchuang had already lost his previous fierce appearance and hugged Xu Wenguo's legs tightly and begged him to take him out.Xu Wenguo leaned over and asked who the commander behind the scenes. Zheng Sanchuang trembled and leaned close to his ear and said a name.

Xu Wenguo's eyes trembled, but he was still unable to make up in the end.He signaled everyone to follow him and took Zheng Sanchuang to explore and move forward in the darkness.As they stumbled out of the mine, there was already a sirens coming from the distance.Xu Wenguo turned around without any hesitation and drilled into the mine again, and Xiao Ding followed and rushed in.The figures of the two were quickly swallowed up by the darkness.

When Du Xiangdong and Zhang Xiangyang arrived, the scene was already in chaos and chaos.Several miners supported a man covered with coal ash and hurriedly fled the scene. Du Xiangdong rushed forward and worked with Zhang Xiangyang to press him to the ground and lifted the other party's hat covered with coal ash and then showed Zheng Sanchuang's face.

Zheng Sanchuang was forced to reveal the truth: he came to Mutong County under the instruction of Liu Guangcai, the chief of the Sixth Machinery Factory; and Xu Wenguo is still in the depths of the mine cave at this moment.After hearing this news, Lao Xia rushed into the mine without saying a word; and Du Xiangdong was about to follow, but his feet were shocked!Then a deafening sound suddenly erupted from the inside of the mine!Zhang Xiangyang roared and called out Lao Xia's name; while Du Xiangdong stood there and his ears were buzzing!After the smoke and dust dissipated, I saw that the entrance of the mine had completely collapsed!At this point, Xu Wenguo's whereabouts and those unsolved mysteries were buried deeply in this darkness and abyss!