When the alien brood feeds on "memories" and drags the human world into an abyss of distortion and ruin, the antibody carrier Lin Mo discovers during his escape that those devoured memories hide a truth more cruel than survival - the "No. 73" Created by the brood to imitate humans actually has the same genetic imprint as the missing researcher Chen Yu; and in the blue crystal left by Chen Yu, a fusion code may be able to reverse the disaster, but at the cost of turning the rescued into "empty shells without a past."
From the burning training cabin to the fire net of the subway tunnel, from the wails of the aberrations to the songs of the survivors, Lin Mo pursues in the flames and embers: When memory becomes the last line of defense of civilization, should humans exchange forgetfulness for survival, or carry the broken past and go into an unknown coexistence with the "devourer"? This is not only a war against alien creatures, but also an ultimate torture about memory, identity and human nature.
