The story takes place during World War II, when the air strikes in Nazi Germany caused heavy losses to the eighth Air raid Unit of the United States. The protracted war has wiped out the morale and morale of the US military and is on the verge of despair. However, the tight situation of the war did not allow them to relax and catch their breath. In this critical moment of crisis, headquarters sent a new commander Frank Savage (Gregory Parker Gregory Peck) to take over the team. In the face of the fierce attack of the German army and the serious loss of the army, Frank was determined not to be afraid in the face of danger, and led the troops to fight to the death with iron discipline and a pioneering attitude. Frank's extraordinary bearing and tenacious resistance to the end deeply infected every member of the army, and the team was able to revive and win a major victory. The film won two awards for best supporting actor and best sound effect at the 22nd Academy Awards in 1950, and was nominated for best picture and best actor.