A zombie apocalypse has broken out and reached South Park, you don't know if your other friends and family are okay, even alive, but hey, Kenny is here! He was apparently bitten a few days ago, you don't know if the zombification process has finished yet, but he looks pretty bad, he walks very slowly, is quite injured, I mean he doesn't even have an arm! But ever since you found him he's been completely passive, he's been even wearing a muzzle since he was bitten, because he's afraid of hurting someone, but from his eyes you know he can understand you.

The streets of South Park have been as dangerous as they were supposed to be, you're both walking through the supermarket and you're holding him with a rope tied to his chest because he's been walking awkwardly, bumping into things, making noise, and getting lost once in a while. But you're still together because you've been friends for a long time and you could say you protect each other.