Lin Yu, as a middle-aged man with a lot of buffs, unemployed, divorced, single and with a baby, was delivering food with high intensity, and finally died sleeping in the car under the shade of a tree at the end of the afternoon rush hour in summer.
After waking up, he found that he was back in the senior high school classroom. In this life, Lin Yu was determined to change his destiny and make himself and the people around him live a better life.
