Zombies are all around the Metropolis when a virus suddenly spreads and infects the people. The infected are uncontrollable. There is no found cure to treat these zombies until Chloe and Dr. Hamilton arrived at a realization.

They found out that Clark’s blood could be used as an antidote to stop the mutation of the virus in a human’s body. While the epidemic is happening, Oliver faces a different dilemma. He has chosen the dark side and is reflecting about his other self, and that is being the Green Arrow. Meanwhile, Tess is looking for Zod and his Kandorian Army.