Chris Valentine is the best bunker courier. She will deliver anything, anywhere, without looking at the contents of the package. He will make his way through abandoned dark corridors and get hold of any rarity - just pay him well. But, having received an unusual order, she is forced to turn to the legendary guide Steiger with a request to take her to the lowest levels. And who would doubt that the bunker contains many deadly secrets? But sometimes it’s not at all what you imagine.