Jansen did, in fact, have things to show her.  Those things included Jansen and Newport’s room to the left at the end of the short all, her room which was the left of the two girls’ rooms, and a secret passage on the wall next to her bed where with a series of taps she or Newport or Jansen could access each other’s spaces.  Once she had, again, reassured them that she was okay for the night, they left.