At the end of You Season 4, Joe Goldberg, who had been living in London under the alias Jonathan Moore, comes to a shocking realization that he himself is the "Eat the Rich" killer, having dissociated and hallucinated a character named Rhys Montrose to compartmentalize his murderous urges. Joe had been involved with a group of British socialites, many of whom were killed during the season. He also discovers that Marienne, a woman he had been obsessed with and kept captive in a glass cage, had faked her death and escaped, though Joe remains unaware of this. In the finale, Joe kills Rhys (his dark alter ego) by pushing him off a bridge and then attempts suicide himself by jumping off the same bridge. However, Joe survives, is rescued by police, and wakes up in a hospital where Kate, a wealthy aristocrat who has accepted Joe's true identity, is by his side. Kate uses her family's resources to help Joe rebuild his life and reputation in New York City, where they move together. They present themselves publicly as partners with plans to "change the world," though Joe's dark nature remains intact. This ending sets up Joe returning to his old life in New York, continuing his dangerous cycle
. In summary, Season 4 ends with Joe confronting his darkest self, surviving a suicide attempt, and relocating to New York with Kate, who supports him despite knowing his true nature.
