King Wu of Zhou consults Jiang Taigong, a military strategist, on effective infantry tactics against chariots and cavalry. Taigong details defensive strategies, emphasizing terrain advantage and utilizing various obstacles like caltrops and barricades. He also advocates for a layered defense with strong crossbowmen and a resolute, swift attack. When faced with overwhelming enemy forces, Taigong proposes a comprehensive defensive formation, including trenches and mobile barriers, to ensure survival and eventual victory. The dialogue highlights the importance of adaptability and preparedness in warfare.