All your team members are dead and you're the only one survived. Just stay alive as long as you can and don't forget you are low on ammo, use 'em wisely.
Defend the hill against all mindless zombies that assumed it to be their home. Use 19 powerful weapons including the hand cannon, hunter pistol and the jackhammer to destroy them.
While gangsters were hanging around and disturbing the residents, your soldiers got caught in the middle. It's time to fight, kill all the gangsters and save yourself from the clutches of the gangsters!