In troubled times in Shanghai, the concession is in turmoil.
Shen Zhiyu, as a doctor, hides in the market and just wants to live a stable life.
Unexpectedly, he met the high-spirited young man again.
Now, he is a feared young commander with overwhelming power.
He is guarding every step, he is pressing forward step by step; he is watching with cold eyes, and he is paranoid and protective.
"In these troubled times, I will protect my country and I must keep you."
