While the Nielsen family struggles to cope with Mikkel's disappearance, Ulrich's dogged search for the truth reveals a stunning result. Armed with the map left by his father and items sent to him by The Stranger, Jonas enters the cave and finds himself in 1986 coming face to face with his mother as a teenager. As the mysteries continue to unfold, Tronte and Peter are clearly up to something related to the cave and its time portals.

Episode Grade: A