The animated version of Zombie Brothers tells the story of the protagonist Xiao Fei, who was originally an ordinary loser in H City, but unexpectedly encountered an unprecedented crisis because of a virus contaminated by the tap water. The people in H City turned into zombies one after another, and they devoured each other and gradually evolved. Can Xiao Fei escape from H City and meet his girlfriend Xiao Wei? The story unfolds from here...