The story of haves and have-nots in a world in which there’s almost nothing left to have. 200 years after the apocalypse, the gentle denizens of luxury fallout shelters are forced to return to the irradiated hellscape their ancestors left behind — and are shocked to discover an incredibly complex, gleefully weird, and highly violent universe waiting for them.

Two youngsters from rival New York City gangs fall in love, but tensions between their respective friends build toward tragedy.

The new medical director breaks the rules to heal the system at America's oldest public hospital. Max Goodwin sets out to tear up the bureaucracy and provide exceptional care, but the doctors and staff are not so sure he can succeed. They've heard this before. Not taking "no" for an answer, Dr. Goodwin's instinctive response to problems large and small is four simple words: "How can I help?" He has to disrupt the status quo and prove he'll stop at nothing to breathe new life into this underfunded and underappreciated hospital, returning it to the glory that put it on the map.

After landing from a turbulent but routine flight, the crew and passengers of Montego Air Flight 828 discover five years have passed in what seemed like a few hours. As their new realities become clear, a deeper mystery unfolds and some of the returned passengers soon realize they may be meant for something greater than they ever thought possible.