Deon witness a strange incident when a friend he beats suddenly bites the nurse's neck and becomes a cannibal. After that, the attacks from the zombies happen quickly at school and on the streets, so Deon picks up his mother, Isma, in Teratai Asri apartment. Deon and his mother are trapped inside the apartment while other residents has fled. Meanwhile at the Five Military Base, Colonel Vito welcomes Richard, Deon's father, a scientist, who discovered the origin of the outbreak: originating from the evolution of an amoeba parasite named Naegleria-ross zeta, and that the Zeta serum he had created located in Teratai Asri apartment. Colonel Vito decides that their team visit a zombie killer gang called Blue River to get the best combat strategy against the zombies. Deon also tries to fight the zombies who attack the apartment.