Dark Armor Commander Li Jin bears the name of a traitor and survives in the wasteland battlefield by keeping a battle damage diary. When Xie Lin, the enemy's genius tactician, approached with a mysterious identity, she discovered that his memory actually contained bloody words written by her own hand. AI analyst Yun Tong secretly kept her diary during the hunt, restorer Iris handed over the ancient pulse map that can restart the dark armor, and the singer Qixian's singing is awakening the sealed truth of the battlefield. When the secrets of the federal marshal are revealed page by page in the bloody diary, the four of them will eventually decide whether war will continue to crush humanity, or whether it will reshape humanity itself.
