When the Earth is doomed by an imminent and unavoidable asteroid collision, New Hampshire homicide detective Hank Palace considers the worth of his job in a world destined to end in six months and investigates a suspicious suicide that nobody else cares about.

"With the doomsday asteroid looming, Detective Hank Palace has found sanctuary in the woods of New England, secure in a well-stocked safe house with other onetime members of the Concord police force. But with time ticking away before the asteroid makes landfall, Hank's safety is only relative, and his only relative--his sister Nico--isn't safe. Soon, it's clear that there's more than one earth-shattering revelation on the horizon, and it's up to Hank...