Ogunquit

Ogunquit, Maine is a real city. It is where Frannie and Harold lived before the pandemic. They are the only two people left alive in Ogunquit after the pandemic. Before they leave Ogunquit, Harold insists on writing a message on a barn roof to let others who might visit the city looking for other people know where they have gone. Larry, Nadine, and Leo see this message when they happen to pass through Ogunquit and decide to try to catch up with Harold and Frannie in Stovington.

Las Vegas

Las Vegas, known as Sin City, is fittingly the place where Flagg decides to set up his headquarters. Dayna is among the spies sent to Las Vegas. She incorporates herself into that society, but she is discovered to be a spy. She kills herself before Flagg can torture her into telling him that Tom Cullen is the other spy...