The male protagonist and the female protagonist are childhood sweethearts. In a certain year, the male protagonist is involved in an accident.
The whole family left Jiangnan, and when they came back, the heroine's family was slaughtered due to something, and the hero was heartbroken. In the end, he learned that the heroine was still alive, and after searching hard, he finally found happiness.
Intention: The scenery in the south of the Yangtze River is beautiful, but none of it is as good as your smile when you look back.