In 1845, two ships of the British Royal Navy embark on a perilous voyage into uncharted territory as the crew attempt to discover the Northwest Passage. But when their ships get trapped in the ice, a mysterious creature begins to stalk the ill-fated expedition. Filled with "nerve-racking suspense" (LA Times), this thriller based on true events stars Jared Harris, Tobias Menzies, and Ciarán Hinds. INCLUDES GRAPHIC SCENES.