A community called Winden is in an uproar over the recent vanishing of a small kid. Jonas comes out in 2019 from the cave into a new but not unfamiliar environment.
To alert her friends about the 2020 catastrophe, Martha returns to 1888. Both current and former inhabitants of Winden look for their missing dear ones.
Ulrich and Charlotte attempt to put together what occurred in the bunker. Jonas and Martha attempt to earn each other's trust while living in separate eras and universes.
The year 2052 is visited by Jonas and Martha, and they see a glimpse of a bleak future. Two citizens of Winden go missing in 1954, and Hannah learns unexpected information.
A visitor in 2020 gives Claudia a warning. The day before the end of the world, Jonas starts to wonder about Eve's reasons.
In 2020, Adam is keeping Martha hostage. On the day of the apocalypse, a panicking Martha asks Bartosz for assistance.
Over the course of three hundred years, the people of Winden are still on a desperate mission to change their destiny and save their dear ones.
Adam learns from Claudia how it's all interconnected and how to cut the knot.