Introduction: Promise is a struggle between men and women. Sometimes everyone is happy, but in most cases both sides suffer. Five years ago, Ji Ji unfortunately fell into the latter category. Five years later, Ji Ji faced the traffic on both sides of the road, braved the slight chill of early winter, squinted at the black Mercedes-Benz slowly approaching him, and thought bitterly: No matter how happy the ending is, it is just a lie to the audience. Who knows what kind of life the prince and princess will live after? No matter how heavy the promise is, it will always be in vain...