On a bitterly cold winter night in 2024, 38-year-old Xiao Hao is in a traffic accident while delivering takeout. Once a bank president, he is now drowning in debt after a failed business venture and a disastrous marriage.
His only regret in his final moments is that he failed to cherish the pure love he experienced at school.
When he opens his eyes again, time has turned back to 2006.
In another possible version of the past, who is the person worth spending a lifetime with?
And where will the mysterious blue symbol lead him?
