A cold, lonely schoolmaster and a dissolute and troubled boy redeem each other.
The troubled boy who was once a wild and uninhibited boy changed everything just for the one he loved.
They deserved it, but Ah Shi from Jiangchuan could never come back.
It's still the familiar Nanyang High School, the familiar No. 11 Bus, and nothing seems to be missing. But only Jiang Chuan knows that among all the familiar things, only the shadow of Lu Jinshi is missing.
"Ah Shi, I have made your dream come true for you when you were 17 years old. There is no regret, because today I am going to realize my dream from when I was 18 years old until now. I am going to find you."
Those who are most afraid of water are Jiangchuan, and those who commit suicide in water are also Jiangchuan.
Intention: persist