Bai Yanning's mother abandoned him when he was a child.
Bai Yanning lives with her paralyzed father.
After a small accident, Bai Yanning became Lu Xingcheng's little follower.
Lu Xingcheng took Bai Yanning with him wherever he went and promised Bai Yanning to accompany him forever.
Accompany him to find a mother to accompany him to school and grow up together.
But the promise was broken by an accident, and Lu Xingcheng went to another place.
When he came back, Bai Yanning, that follower, had learned to grow up on his own.
Reunion + two-way secret love.
Purpose: Regain old dreams
