You are John, the last remaining bunker survivor of a nuclear war and thirty years after the blast obliterated everything above ground. Over the years everyone else has died, and their corpses are locked away in the cold storage room. Your daily routine is the only thing keeping you sane – just – but when an alarm is triggered, your mind begins to self-destruct. You must venture deeper and deeper into the bunker discovering long forgotten zones and uncovering dark and repressed memories that finally reveal the terrible secret of the bunker.