After he fell asleep, she secretly betrayed him.

Everyone in the camp knows that Shen Xinghe is the sharpest blade of the Survey Corps—calm, restrained, her eyes fixed on nothing but the mission. But no one knows that every time she looks at Captain Ji Lingyuan, her palms start to sweat. The feeling is like someone gripping the back of her neck—the only thing she fears in this life is losing control in front of him. Ji Lingyuan is the exact opposite. He built high walls of cold indifference, yet in the instant he knocked on her door late one night, he silently let those walls come crashing down. He needs her, and that, more than any enemy, is what truly terrifies him.