She sneaked into the border camp as an enemy spy, with a dagger hidden in her sleeve and eyes as cold as frost. When Cen Lingyi's gun was pressed against the back of her neck, she did not beg for mercy, but chuckled: "General, I changed the secret report in your account three days ago." He should have shot her dead, but that night it was windy and snowy, and the military talisman she handed over was still stained with her brother's blood. He was Dayan's coldest sword, and she was the enemy's most poisonous medicine. But when she was in the Beacon Company, she blocked three arrows for him, but before dawn, he carved her name into the list of fallen soldiers - never saying it to his mouth, but never forgetting it in his life.