Ten years after Rosslyn, Josh's old injury develops a serious complication as he and Donna try to start their family, and President Santos faces a tough re-election bid. Meanwhile, the imprisoned accomplice to the shootings gains media attention with news of a religious conversion, stirring up heated emotions in all the survivors.

Josh tags along with Donna for her grandparents' anniversary in Wisconsin and gets a small taste of what her life was like before they met.

It's Christmas at the lighthouse Josh and Donna bought in Maine. While Donna waits for Josh to arrive for the holiday, their eight-year-old son makes a plan that causes all kinds of trouble. . . .