Upstairs

"Maybe she's upstairs." Holly suggested. "Let's go up and check. They climbed the stairs to the second floor.

"Hello?" she called again, "Are you up here?"

"No response. Guess she's gone."

Sarah quickly checked all the rooms that she hadn't known about before, and made a more complete map of the second floor. In addition to the smallish bedroom and bathroom, there was also, of course, a master bedroom, with a bathroom attached, and a library. When she got back, they were already about to open a door.