Set in the gloomy, rain-drenched German town of Winden, the series begins in 2019 with the
mysterious disappearance of a young boy named Mikkel Nielsen. This vanishing eerily mirrors a tragedy from 1986, when a boy named Mads vanished without a trace. As police and frantic families search the foggy woods, a complex web of dark secrets, infidelity, and hidden trauma unravels among four interconnected families: the Kahnwalds, Nielsens, Dopplers, and Tiedemanns.At the center of the mystery is Jonas Kahnwald, a sensitive teenager reeling from his father’s suicide. While searching for clues near a foreboding local
nuclear power plant, Jonas and his friends discover a cavern system connected to a massive, hidden metal door. Inside, a strange, cave-like wormhole allows seamless travel through time in exact thirty-three-year increments: 2019, 1986, and 1953. Mikkel has not merely vanished; he has slipped backward into 1986, eventually growing up to become Michael Kahnwald—Jonas's own deceased father.Time travel is not a miraculous escape, but a devastating trap orchestrated by shadowy puppet masters. Noah, a mysterious, time-traveling priest, and Claudia Tiedemann, the former director of the power plant, wage a ruthless generational war. They manipulate younger and older versions of the town's residents to ensure that fixed temporal loops remain unbroken. Jonas discovers that his future self, the cynical Stranger, is desperately trying to destroy the wormhole, unaware that his very efforts actually cause the apocalypse.As the narrative shatters linear boundaries, the stakes expand catastrophically. The apocalypse in 2020 wipes out most of Winden, but it merely births a new reality where time travel has scarred existence even further. Jonas and Martha Nielsen—his aunt in one timeline and star-crossed lover in another—realize that the loops of Winden and its mirror world are spawned by an agonizing prime origin: the grief-stricken clockmaker H.G. Tannhaus, who accidentally tore the fabric of time in his own dimension while trying to save his lost family in a car crash.To break the eternal cycle of pain, betrayal, and incestuous lineages, the adult iterations of Jonas and Martha must travel to the origin world. They prevent the fatal accident that ruined Tannhaus, successfully erasing their own existence and the cursed timelines of Winden. As reality quietly resets, the surviving townspeople of the prime world gather for a dinner, finally free of the paradoxes that doomed their ancestors for centuries.