Jonas returns to 2020 to save everyone. Things go terribly wrong. Or, do they?
Jonas goes back to the day before his father commits suicide in 2019, hoping to alter the course of time.
Jonas wakes up in 1921. In 2020, Charlotte and Hannah piece together what they know.
Egon begins piecing things together over the years. Claudia finds her way through time.
Old Helge tries to stop himself, 33 years ago. Noah enacts more of his plan. Jonas discovers one more terrifying truth.
Events from 1986 and 2019 intertwine, as Mikkel is perpetually lost in the past.