Everyone has a precious youth.
Perhaps there are regrets, and perhaps there are gains.
If you had made a different choice back then, would things have turned out differently?
On his thirtieth birthday, Chen Xin makes a wish: "Let me go back to being seventeen."
When he wakes up, his wish has come true. He's back in the past, before he went abroad to study, and the girl he loves is still radiant and dazzling.
If he went back to being seventeen, could anything really change?
Theme: Cherish the present and make the most of it