First part of the Decisive Engagement trilogy. Directed by Pingfen Li et al.

During the Sino-Japanese War, Commander-in-Chief Zhu De leads the Eighth Route Army in pivotal battles against the Japanese invaders.

After his wolfdog Hailong sacrifices himself and saves his family from an explosive trap, Erlin takes Hailong's pups to the army so that they can be trained as military dogs to fight the Japanese.