Former bartender Roxy LeBlanc moves her family to her new husband's army post in Charleston, South Carolina.
Bellamy and Sheriff Fred try to find Caleb; Maggie gives Jacob a check-up; Pastor Tom's past lover returns.
Bellamy tries to keep Jacob safe but his past interferes, Elaine must find where Caleb hid the money, and Rachael gets shocking news.
Maggie turns to a person from the past for answers about the mystery; Rachael's secret ends up in the wrong hands; Bellamy and Pastor Tom try to reassure residents.
Margaret tries to stop Barbara from rekindling her relationship with Maggie and Fred. Bellamy has to take desperate action after a deadly illness spreads among the returned.