On the day he was kicked out of the shelter as trash, Qi Jin crawled seven kilometers in the snow, holding half a battery in his hand. Three years later, the whole city lost power and infected people surged in. He stood on the gate at the center of the earth and said coldly: 'Open the gate? Are you worthy? ' Shen Zhao's antidote is hidden in his spine, Iron Throat's lava channel is in place, Bai Tang's memory fragments are being broadcast throughout the ruins through the radio - and Qin Xiao, who drove him away back then, is kneeling at the door of the control room holding a detonator. This isn't revenge, it's a reset.