Panel 1:
Tile walks in a white void.
Caption: Tile is going for a walk.

Panel 2:
Tile steps to the side, as though having to avoid something.
Caption: On a crowded sidewalk.

Panel 3:
Tile resumes walking, leaning forward.
Caption: Not really.

Panel 4:
Tile looks over her shoulder while walking.
Caption: But we pretend she is.