The furthest closed one

"I like the look of that one" said Felicia. "It looks important. If I was going to hide something of value, I'd put it behind my most important door."

The three sisters crept down the hallway trying their best to be silent while watching the doors for signs of ambush. Fortunately, the excitement downstairs seemed to be keeping the bro's occupied. "Sounds like our easy friend is a screamer. I wish she wouldn't encourage them like that" whispered Lisa.

Felicia reached the door and placed tried the handle. It was unlocked! "Ok, Lisa and I will sneak in, Sarah, you stay on watch... wait, where's Sarah?" Lisa looked back, and sure enough the corridor was empty. "Huh. Should we look for her?" she said.

"No time. Sarah's a big girl, she can take care of herself.'