Plot summary
Tyreese, Carol, Lizzie, Mika and Judith follow signs to Terminus and come across a cabin where they plan to take a few days of rest. Tyreese and Carol find Lizzie has an unhealthy fascination with walkers. Later, after coming back with supplies, they find Lizzie has killed Mika and is about to kill Judith, hoping they will come back as walkers. Carol and Tyreese agree Lizzie is too dangerous to keep around and Carol kills her. Carol opens up about having killed Tyreese's friend Karen, which he forgives her for. They leave the cabin and continue to Terminus.
Credits
Adapted from Wikipedia contributors, The Walking Dead season 4. HTML formatting and reference markers removed.