In 2012, the once teeming city of Santa Barbara, California became desolate and abandoned after a mysterious virus was released into the air and began killing humans across the state. After a massive quarantine effort to separate California from the rest of the country, canines of all types began to gather in the city and learned to fend for themselves. Some have become infected with the virus and are beginning to change. The established packs are on the brink of conflict, and disaster is on the horizon. Will you survive? Or will you fall?