Lin Yan came home from working overtime late at night and found an ownerless list in the entrance hall. He thought it was left by someone else and put it on the coffee table. In the early morning of the next day, the first name "Zhang Jianguo" appeared on the list, and the crime was marked "failure to save people in the face of death." In the evening of that day, the news reported that Zhang Jianguo slipped and fell at the construction site. Before his death, he struggled wildly and shouted "I didn't mean to do it." The death situation was highly similar to the tragic situation of the deceased in the construction site accident that year, and Lin Yan felt a chill in his heart.