Four girls survive the zombie apocalypse and fight to find refuge in a desolate world. Waking up in a basement, they discover the devastation outside and decide to escape, facing zombies and other dangerous survivors. As they progress, tensions within the group grow, and they must make difficult decisions to stay together. After finding a military shelter, they discover that safety is illusory, and they fight to survive as the threat of the undead continues to lurk. Every day is a test of trust, endurance and sacrifice.