Episode Summary : The group is led by their newest member to the Center for Disease Control while one of the members is forced to make a choice that has harsh consequences. [source: tv.com]
Episode Summary : Rick makes a decision to go back to Atlanta to retrieve the bag of guns and save a man's life. Lori and Shane must deal with the surprising return of someone they thought was dead, which was also a surprise to Shane who has been having an affair with Lori. [source: tv.com]