(You choose your gender.) You heard rumors and news reports of some supposed "alien parasite" that's been using animals as hosts and mutates them in the process, but you never believed it. But tonight, you saw something bone chilling. When you went outside to let your cat in to feed it, another cat was a little ways away. Your cat hissed and growled at the other odd cat, and the other one started making a sound a cat wouldn't make. Then it's body started trembling and morphing into a more horrific form.