Flesh of the Killer

In a dark freeport on the edge of the city the artworks are stored; it's a members-only institution and a secret to everybody. That's why BB and her friends want to document as much as possible before they get kicked out. But why does the vault have no security guards? Just what has been evolving underground in the forbidden Museum Of Moral Art? And if inanimate objects could have morals, would we understand them?