On a desolate highway, Agata's life takes a devastating turn when she hits a boy and is then struck by another vehicle, leaving her in a coma. Her twin sister Catalina, connected to Agata through a telepathic bond, feels her pain and receives a desperate plea for help. As Catalina, her boyfriend Nuno, and Agata's partner Omar return to the scene, they uncover a dark history of supernatural occurrences surrounding the kilometer 31 marker. It becomes clear that Agata's spirit is trapped between the world of the living and the dead, and the group must work together to uncover the truth and free her from this limbo.
KM 31: Kilómetro 31
In the aftermath of a devastating car crash near Mexico City, Agata falls into a coma. As her twin sister Catalina investigates the accident, she uncovers a chilling local legend tied to the infamous Km. 31 marker, leading her down a terrifying path of discovery.
