Read on for the scoop:
1) Carol will definitely return before the end of the season;
2) The Sanctuary, which was discussed in that radio message, will come into play; and
3) Via flashbacks, there will be glimpses into the lives of our favorite characters, likely including Michonne to get an answer about her past.
Source: TV Guide
Hit the play button below to watch the promo trailer of episode 4.09:
'The Walking Dead' returns on Feb. 9, 2014.