Buy It's Such a Big World and Then, It's Not
A family moves into their first home with high hopes and happiness. Soon after, they find a painted over window and a hidden room behind that window. After they knock the wall in the pantry down, they find a hallway and the remnants of a boys bedroom complete with the bed & sheets, lamps, clothes, and toys from the 1950's. Days after, eerie and dark things happen in the home and to their children.
Present day, on a flight from Paris to NY, the plane crashes and Bill and Claire are the only survivors.
They find an atoll, but both have very different goals about survival and rescue.
Bill found evidence of buried treasure and won't stop looking.
Claire wants off the island and if it means destroying Bill's frivolous ambitions, so be it.
McKinney, a teen with a musket, survived the nuclear war in a mountain cabin north of Cody, Wyoming.
While foraging for food, he comes upon a boy with the key to reverse the devastation.
Against bounty hunters, man-eaters, a rogue army, & the nuclear wasteland, McKinney fights to get the boy to Denver where the boy's father can put the key to work and save humanity.