In his previous life, Bai Muqing was the youngest director of surgery at the Army Medical University. He mastered the most advanced surgical techniques in China. He spent twelve hours a day in the operating room. His stern face, skilled knife skills, and pungent smell of disinfectant made everyone stay out of his way wherever he went. He was known as the "cold-faced flying knife." While treating the wounded in a military exercise, he was hit by a bullet and fell instantly. The second before he fell, Bai Muqing was still thinking: "Damn, where did the live ammunition come from in the exercise..." When he woke up again, the lavender curtains came into view, and the antique room layout came into view. He was shocked in his heart: "It's not like a bloody time travel happened to me..."