"Just some tourists visiting the Colosseum by torchlight."
"We shouldn't be seen together. These guides are basically spies, and they might recognize you. As much as I value your friendship, my worthy friend, if people knew how close we were, I'm afraid both my reputation and credibility would suffer."
"So if you get the reprieve?"
"The middle window at Café Rospoli will show white fabric with a red cross."
"And if you fail?"
"All three windows will have yellow curtains."
"And then?"
"Then, my good man, use your daggers however you want. I'll even be there to watch you in action."
"We understand each other perfectly. Goodbye, your excellency. Trust me as much as I trust you."
With those words, the man in the Trastevere costume disappeared down the staircase. His companion pulled his cloak tighter around his face and passed close enough to Franz that he could've touched him, then descended to the arena floor using an exterior staircase.