Netflix’s returning crime thriller series is marking the end of a major era, proving the show may never feel the same again. Many of Netflix’s biggest hits succeed because they constantly evolve through distinct phases that reshape the story and its characters over time. Stranger Things is one of the clearest examples, with each season introducing a noticeably different tone and atmosphere while expanding the show’s mythology even further.

Season 3’s colorful summer setting felt worlds apart from Season 4’s darker and more horror-focused direction, while the introduction of Vecna completely shifted the series into a new chapter. Another strong example comes from Netflix’s psychological thriller You, where Penn Badgley’s Joe Goldberg repeatedly reinvents himself through different stages of his life — from the period before Love Quinn, to their relationship, to his new identity in England. These major shifts help long-running series stay fresh while redefining the story each season.

The latest Netflix original to experience a dramatic turning point is The Chestnut Man. After finally returning on May 7 following a five-year break, the gritty crime thriller delivered six new episodes that permanently changed the direction of the series. One shocking death, in particular, appears to have officially closed the door on one era of the show and opened the beginning of another.

The Chestnut Man Can Never Be The Same After Hide And Seek’s Major Death

Image courtesy of Tine Harden/Netflix

Warning: This article contains spoilers from The Chestnut Man: Hide and Seek.

Mark Hess and Naia Thulin, The Chestnut Man’s central investigators, were always at the core of the series. Their contrasting personalities and investigative partnership played a huge role in keeping viewers invested as they worked through the show’s disturbing and carefully constructed murder cases. But Season 2, titled The Chestnut Man: Hide and Seek, completely changed the series by killing off Thulin, bringing what feels like the end of a defining era for the show. Much of Season 1 and the first half of Season 2 relied heavily on Thulin’s presence and the way she balanced Hess while gradually making him a better investigator and person.

The Chestnut Man currently holds a rare 100% critics score on Rotten Tomatoes for both seasons.

Thulin’s death came as a major shock, as she is fatally shot in the stomach midway through Hide and Seek, bleeding out alone in the middle of the street. The moment becomes even more devastating when Hess finally arrives at the scene and slowly discovers her body for himself. For many viewers, it marked the moment the series became something entirely different from the show they first connected with five years earlier. The twist feels even more surprising considering Thulin survives in the original book that inspired the season.