In the first decades of the 21st century, the world is convulsing, its governments mired in gridlock while a patient but unrelenting ecological crisis looms. America is in upheaval, battered by violent weather and extreme politics. In California in 2013, Tony Pietrus, a scientist studying deposits of undersea methane, receives a death threat. His fate will become bound to a stunning cast of characters—a broken drug addict, a star advertising strategist, a neurodivergent mathematician, a cunning eco-terrorist, an actor turned religious zealot, and a brazen young activist named Kate Morris, who, in the mountains of Wyoming, begins a project that will alter the course of the decades to come.