Adalbert touches, with his bare hand, the closest door to the south. It easily swings open, revealing a rather small 10x15-feet bedroom with a single wide bed. The light automatically turns on in the room as the door is opened. A closer examination reveals that the bed was used some reasonably short time ago, but there seems to be no actual "possessions" from the inhabitant.

Spoiler: If you check the rest of those normal-looking doors
Show
There is a similar bedroom behind each and every door that you try. Most of the beds seem to have been used some reasonably short time ago. Apart from the beds, the rooms seem to contain nothing much.