Early on after the outbreak, only four years since, you rummage around a few shelves at a run down CVS. While you're shoving what's left of the hydrogen peroxide into your bag, your ear picks up on some clicking. Carefully, you grab your rifle and load it while you slowly stand up. Once you can get a peak above the shelves, you see a man with his own gun. He spots you, pissed off. "Put your gun down!" As he shouts, the clicker charges at the two of ya. Quickly, you shoot it. "What the hell?!"