A dark family secret haunts a young Lucy Gold as she struggles to survive in a world ravaged by the effects of climate change. Her mother is a suspected murderer, her father has been absent since her birth, and her planet—after generations of careless greenhouse gas emissions—is a nightmare of droughts, fires, and violent storms. As Lucy grows older and unravels the closely guarded mystery surrounding her past, she discovers an opportunity to redefine her life and alter the fate of children in the path of unfathomable environmental hazards.