In the midst of a suddenly unleashed zombie apocalypse, a young man named Jin-seok becomes one of the few survivors in his apartment. Trapped in his home, the reality of the devastation outside hits him hard. As chaos invades the streets, he is forced to grapple with his loneliness and the anguish of not knowing how long he can endure.
The story unfolds as Jin-seok tries to maintain his sanity, confronting the despair and limitations that arise with isolation. With resources dwindling, he must find creative ways to survive, such as hoarding food and generating signals to attract the attention of other survivors. Over time, he begins to hear noises outside his apartment, giving him hope that he is not alone in this nightmare.
The tension mounts when he realizes that he not only has to fight against the undead but also against his own mind, which becomes his worst enemy. As the environment grows increasingly dangerous, the need to connect with others becomes palpable. Anguish, action, and moments of reflection intertwine in a narrative that explores the fragility of humanity in extreme times. With unexpected twists and an oppressive atmosphere, the story challenges Jin-seok to find the strength within himself not just to survive, but to remain human in a shattered world.