The apocalypse has arrived. Seven strangers escape a fiery blast that has engulfed the city. Refuge is found in an abandoned government building. Trapped with nowhere to go, they soon realize they are not alone. Something sinister, hidden in the shadows, is slowly killing them off one by one. A game of survival has begun. Become the hunter or become the hunted.

Manda, a therapist, has her own bouts with mental illness. She must learn to put herself first in order to deal with her demons.