When a fast-spreading virus destroys all grasses and cereal crops, civilization unravels as famine and social collapse sweep the world; a man and his family set out from their city to reach a remote, self-sufficient refuge, making brutal choices along the way to secure food and safety. Their journey forces them to confront lawlessness, the erosion of moral restraints, and the human capacity for both cooperation and cruelty as they struggle to preserve a fragile pocket of order in a dying world.