In District 3, the main character is a young girl named Anntikka. Still, there's the looming cloud of recurring nightmares about her mother's death during the initial wave of Doppelgangers. Every time she visits this ephemeral plane, she is confronted with the horror of that night. But as she delves deeper into these dreams, she finds a frightful truth: if she dies in her nightmares, she awakens to face the same night of the Doppelganger surge all over again Now, ensnared by an endless loop of terror, Anntikka will explore the mystery behind her dreams and attempt to find the way out before it's no longer possible.