Chasing his dream to join an elite K-9 unit, a state trooper partners with a fellow underdog: clever but naughty shelter pup Ruby.

Joseph and his family live in the remote wilderness as fur trappers, but their tranquility is threatened when they think they are being hunted by the return of a rogue wolf, and Joseph leaves them behind to track it.

Investigative reporter Chase Carter must stop a secret government conspiracy in the zombie infested quarantine zone of East Mission City.