This is the story of a world that has been overrun by zombies due to a sudden virus outbreak.In order to keep the zombies from invading, the people have built a huge wall that completely covers the city, saving it from extinction. Alex, a researcher who escaped into it, realizes that the virus was created by humans during the development of a therapeutic drug. He announced that the accident had leaked the murder virus and found that the government had taken advantage of the turmoil to wipe it out. ...But the people don't believe him, and the government banishes him outside the zombie-infested walls as a dangerous person who spreads falsehoods and incites the people. Alex despairs at the people's disbelief in his claims and the twisted government, and vows revenge through zombies...

This is the story of a world that has been overrun by zombies due to a sudden virus outbreak.In order to keep the zombies from invading, the people have built a huge wall that completely covers the city, saving it from extinction. Alex, a researcher who escaped into it, realizes that the virus was created by humans during the development of a therapeutic drug. He announced that the accident had leaked the murder virus and found that the government had taken advantage of the turmoil to wipe it out. ...But the people don't believe him, and the government banishes him outside the zombie-infested walls as a dangerous person who spreads falsehoods and incites the people. Alex despairs at the people's disbelief in his claims and the twisted government, and vows revenge through zombies...