A couple trying to save their marriage during a zombie apocalypse.

In the frozen, war torn landscape of occupied Poland during World War II, a crack team of allied commandos are sent on a deadly mission behind enemy lines to extract a rocket scientist from the hands of the Nazis.

Sara takes a job as a cleaner to find her missing daughter and strikes an uneasy alliance with the sinister janitor. They venture with a small group into the abyss underneath Malmö and the heart of darkness.