It's the dusk of the zombie apocalypse. What's left of mankind is huddled in the husks of the cities of the world. There are fewer of the walking dead, but they are just as dangerous as ever. After scientists come up with the brilliant idea of scent-marking them something goes wrong and a soldier is taken. When a fellow 'dog' decides to take matters into his own hands to rescue his comrade he finds the living dead are more dangerous than ever.