Taking the minor accident of a three-yuan retractable bayonet utility knife cutting the nerve of the hand as the starting point, it focuses on the life collapse of a young trainee doctor who is about to join the job and has a bright future. With the ultimate sense of contrast, he writes about the fragility of ordinary people's fate, the impermanence of life, and how individuals seize opportunities to achieve counterattacks in the face of sudden disasters. The flow is - the wind is coming. Some people were blown down on the wind outlet, and some people were blown up while standing on the wind outlet.