Carol makes a big discovery, enlisting Tandy and Erica to help her track down some answers. Meanwhile, Todd has a major breakthrough with Melissa.
Todd and Tandy dig deep into Melissa’s pre-virus past, as they search for answers about her illness, and Carol adopts a new outlook on life.
After being locked up for her own safety, Melissa plays hurtful mind games with the group. Meanwhile, Todd and the group explore medications that might help her, and Lewis goes on a new solo adventure.