This story is a sequel to A Blade in the dark
"One pony will lie. One pony will die. One pony will get all that they deserve. The truth will come out."
This are the words that are carved onto the top of grand entrance to Guiding Light's Vault. A prophesy for the ones who will open it. Robben Banks is about to break into the vault. He has a team. He has Luna's blessing. He has his distraction. Now all he needs to do if figure out who will live and who will die.