As Andrea takes a group of the best marksmen around the prison perimeter for some extra target practice, they decide to capture one of the zombies and bring it into the prison. Alice wants to study it in hopes of finding what caused the zombie plague. When Rick finds out what they've done, he flips out and goes to the courtyard to do away with the zombie. Alice convinces him to let her study it for a while, saying she can do it safely with nobody getting hurt. She was wrong.