The core premise follows new original characters Jax Hunter, grieving her sister Shiloh from the first film, and Luce, Shiloh’s friend, who propose the climb as a tribute; they must navigate exposure, weather, and personal conflicts to survive, with supporting roles for returning characters like Becky. No established characters from the 2022 original receive any alterations, and the narrative remains focused on classic thriller elements like vertigo-inducing peril and teamwork rather than identity politics or social commentary. The film introduces Jax and Luce as fresh additions without modifying any prior source figures, keeping the premise driven purely by heights, rockslides, grief, and the need for cooperation.

Casting choices in these new roles stay incidental, adding background variety without driving the plot, clashing with the setting, or receiving any foregrounded emphasis. This approach avoids activist messaging or lecture scenes entirely, preserving the story as an unadorned thriller that prioritizes tension and character resilience over extraneous themes.