Mo Qiusu searched for that person year after year, following the footsteps of that person's life, but there was no news.
Mu Mingye followed him like this year after year, and he didn't know when it would come to an end.
The two traveled all over the country and listened to those individuals telling their own stories.
Whether happy or sad, the cares in this world only last for a while.
[Note:
The main line is BL and the branch line is BG]