Marcy might not have to deal with any zombies, but there are worse things lurking close by… Takes place during Acts of Mercy. Oneshot.
Marcy doesn't want to deal with the zombie apocalypse. So, at the first sign of trouble, she leaves for the North, staying in a nuclear-warfare Cabin built by her father. When a zombie does come, however, she finds something unexpected, and she has to ask herself: Can mercy be an option when you're trying to survive? Rated M for language and violence.
An alternate ending to Acts of Mercy. Takes place after Chapter 11. Spoilers ahead!