The Liang and Wei families have known each other for generations, and the two families live in harmony. The wives of the two families became pregnant at the same time, and they agreed that if it was a boy and a girl, they would be married, and if they were both boys, they would be brothers. But good things don't last long, it's the time of war. Both families moved far away to avoid the chaos. One point is eight years. . . . . .