It used to be just Merle and Daryl until 6 years ago. After a drunk one night stand leads to Daryl having a pregnant women on his hands and eventually a baby girl named Megan.
Now 5 years on and the apocalypse starting how will Merle and Daryl cope looking after a little girl whilst avoiding walkers but also other survivors.
Will start at meeting the group in Season 1
Now at Season 4