This is the true experience of several Chinese people who joined the "black blood" mercenaries. They are a group of people who pursue war for money and have traveled to almost every battlefield on the earth. They fought bravely and took risks, but never backed down.
Killing is just a way for them to make money, and rescuing hostages is just to earn commissions.
They are caught in a huge conspiracy and surrounded by fog. Can they resolve the crisis and successfully take revenge? How should he choose between life and death? Who is the traitor? Why did he embark on this path of no return?
