Zhang Ling was supposed to be an ordinary international student.
But in a foreign country, he was dragged into the dark world and became a top killer.
Four years later, he "died" in a missile bombing and successfully escaped from the organization.
When he returned to China,
Choose to hide everything and be an ordinary delivery boy.
But I didn't expect——
Every move he makes is quietly changing the landscape of the city.
Female CEO, wealthy family, underground forces, overseas organizations...
Strong enemies appear one after another.
