The Missing Painting

"Hugo, your presence shall be of great service to me. However! We must work individually - in order to prevent any further suspicions, lest we're caught by Monsieur and his men. Is that clear?"
"Yes." Replied Hugo whilst nodding.
As Alexander mouthed something to his companion, suddenly a voice made its way through - "What do you both think yer doing?" yelled a dull short, middle - aged man in his husky voice with baggy clothes as he made his way towards Alex and Hugo.
"You women? Sure, don't look like em! This seem like a time for you to waste yer time for idle chat?"
"No sir!" Both, Alex and Hugo exclaimed.
"Quit yer waffling and tidy this place already. Oh, and clean these too while yer at it. Spotless. Got it?"