One day, a cataclysmic event occurs: all of the white people in America walk into the nearest body of water. A year later, Charlie Brunton is a Black man living in an entirely new world. Having served time in prison for a wrongful conviction, he’s now a professor of electric and solar power systems at Howard University when he receives a call from someone he wasn’t even sure existed: his daughter Sidney, a nineteen-year-old left behind by her white mother and step-family.

Outside the island there is nothing: the world was destroyed by a fog that swept the planet, killing anyone it touched. On the island: it is idyllic. One hundred and twenty-two villagers and three scientists, living in peaceful harmony. The villagers are content to fish, farm and feast, to obey their nightly curfew, to do what they're told by the scientists. Until, to the horror of the islanders, one of their beloved scientists is found brutally stabbed to death.

Growing up in an isolated cabin in Montana in the mid-1990s, Jane knows only the world that she and her father live in: the woodstove that heats their home, the vegetable garden where they try to eke out a subsistence, the books of nineteenth-century philosophy that her father gives her to read in lieu of going to school. Her father is elusive about their pasts, giving Jane little beyond the facts that they once lived in the Bay Area and that her mother died in a car accident, the crash propelling him to move Jane off the grid to raise her in a Waldenesque utopia.

Adelaide Henry carries an enormous steamer trunk with her wherever she goes. It’s locked at all times. Because when the trunk opens, people around Adelaide start to disappear. The year is 1915, and Adelaide is in trouble. Her secret sin killed her parents, forcing her to flee California in a hellfire rush and make her way to Montana as a homesteader.

Told in alternating viewpoints, Long After We Are Gone is a searing portrait on the power of family and letting go of things that no longer serve you, exploring the burden of familial expectations, the detriment of miscommunication, and the lessons and legacies we pass on to our children.