The slaves with chain-like tags tied to their necks in the hands of the powerful, they have no choice but to be slaughtered by powerful people, the only thing left for them to do, is to accept their fate. The main ingredient of black tea is not tea, but the blood contributed by living people. Even though the slave seemed to be hysterical, the nobleman still looked at ease. Although human trafficking occurs more often in undeveloped countries, it does not mean that we can turn a blind eye to it, we should pay more attention to it.