Plot summary
While interviewing Peggy to get a back story for the next book, Molly comes across a corn husk doll that Peggy's own mother made for her. Peggy clams up and won't speak about her past anymore, then later shows up drunk at the Flynn house. Mike insists his family doesn't talk about their feelings, but Molly persists and eventually gets to the very sad root of Peggy's misgivings. When Mike finds out from Molly, he leaves to go hug his mom.
Credits
Adapted from Wikipedia contributors, Mike & Molly season 5. HTML formatting and reference markers removed.