In 2019, someone returns to Camp Redwood for answers.
Old Helge tries to stop himself, 33 years ago. Noah enacts more of his plan. Jonas discovers one more terrifying truth.
Jonas navigates 1986. Ulrich investigates Helge, as Charlotte begins wondering about her father-in-law, too.
Events from 1986 and 2019 intertwine, as Mikkel is perpetually lost in the past.