March in the middle of winter, hell on earth.
A zombie crisis breaks out in Ling'an City.
Human feelings, knowing the warmth and coldness of oneself. You are the only one I will never give up on.
Chen Rui: "Why are you back again?"
Su Jing: "Because you are injured, I can't abandon you. You should know that the thing I am worst at in this life is giving up."