After living peacefully in the caverns of a small town, a stranded group of aliens turn deadly as they fight for their existence, betraying the passionate chief of police who has protected them for 28 years.
1945: The last days of the war. In a remote mountain hut, Anton, a deserted SS man, and Hannah, a Jewish woman, meet. From distrust, feelings develop between the two. But the danger is not over yet. For the two, the war is far from over.
When the Herring family wake up in a basement after a car accident, the only thing scarier than not knowing how they got there, is realising that they're not alone.