The story takes place in Country A, where the male protagonist Zhao Jian leads his black wolf team to escort goods for General A's inspection. Along the way, he encounters an ambush from a guerrilla team. Zhao Jian caught the guerrilla female captain Zhang Ling and only then did he know the luck of the Black Wolf teamThe delivery is not humanitarian goods, but raw materials for human experiments. General Chachai conducted experiments on the human body for his own selfish desires. Zhang Ling's request for help from the Black Wolf team was rejected. On the way back, the Black Wolf teamAfter discovering a human experiment in the jungle, Zhao Jian couldn't help but feel the pain in his heart. He withdrew from the Black Wolf team and decided to fight against Chachai with Zhang Ling. And teammates have all supported the decision to join the Cha Guess organization and fight it out in one fell swoopComfort the unjust soul that died in vain.