In the late 21st century, Earth is ravaged by climate change. The billionaires have bioengineered immortality, fled to Mars, and rule Earth's last biospheres as their personal shares. Those left on Earth struggle to find balance as the planet tumbles into its terminal years of habitability. In pursuit of a patron for a fledgling colony of ecological refugees, Ian Gateman travels to the estate of the immortal recluse Ernest Trimalchio. Yet, Ian soon discovers that plans are already in motion to control humanity's future.