Rick and The Governor meet face-to-face, ostensibly to make a peaceful resolution to prevent further bloodshed. Back at the prison, tensions arise between Merle and the rest of the group.
The Governor hunts down Andrea when she flees Woodbury. Meanwhile, tensions arise within Tyreese's group, and The Governor's plan for Rick's group is sabotaged.
Several months have passed and Rick and the expanded group are living a more peaceful life at the prison. Problems surface when Rick encounters a new survivor, and a supply run ends in disaster.
Daryl, Tyreese, Michonne and Bob continue to the veterinary college on foot in search of medicine. Rick and Carol go on a run to a nearby town where they find two uninfected stragglers.
Hershel struggles to care for the sick as the situation in the cell block escalates. Meanwhile, Rick and Carl defend the prison as the fences give way.