A love story between a cyber policeman and a hacker.
Only after Qin Mo got together with Zhan Yan did he realize that Zhan Yan was hundreds of years older than him, and Qin Mo was no longer smart.
The mysterious hacker Zhan Yan has always known her own specialness. She has no ID card and no various certificates. She seems to be outside the world but has witnessed the vicissitudes of the world.
A mysterious organization, a love outside of conspiracy. Zhanyan took this risk, love and life, she chose the former, just because she really didn't want to continue to be alone for hundreds of years.