Polar Vortex by Matthew Mather is a thriller about a commercial flight that disappears over the North Pole, triggering a massive international search and escalating global tensions between the US and Russia. The story follows writer Mitch Matthews, who is on the flight with his daughter, and investigator Richard Marks, who uncovers a conspiracy behind the vanishing, which is linked to a mysterious polar hurricane and a strange magnetic anomaly. The book blends survival, mystery, and geopolitical thriller elements, with a plot that unfolds through the discovery of Matthews' journal weeks later.