The story takes place in Country A. The male protagonist Zhao Jian leads his Black Wolf Team to escort the goods for General Chachai of Country A, but encounters an ambush by the guerrillas along the way.Zhao Jian caught Zhang Ling, the female guerrilla captain, and found out that the Black Wolf Team was not transporting humanitarian goods, but raw materials for human experiments.General Chachai uses human bodies as experiments 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 Team discovered the tragic conditions after human experimentation in the jungle. Zhao Jian couldn't bear the pain in his heart, so he quit the Black Wolf Team and decided to fight against Chachai with Zhang Ling.The teammates all supported the decision to organize a clean sweep to comfort the innocent souls who died in vain.