In a deep mountain village, Xiao Liang, who makes a living by catching and slaughtering wolves, has always been ravenous for wolf meat and skins. Disregarding the dissuasion of his grandmother and the worry of his younger sister Xiao Fang, he repeatedly hunts and kills wild wolves, and even insists on slaughtering a gray monster wolf with a special appearance, suspected of being pregnant with cubs. Since then, bizarre disasters have begun to descend on the family one after another: the vat water turns red, poultry die tragically, neighbor Xiao Zhao's family loses all their chickens and dogs overnight, Xiao Liang's big yellow dog also meets a tragic end, the deranged Zhang Jie issues disaster warnings multiple times, and Xiao Fang successively has nightmares of bloody disasters.