Is it just a dream?

from Annie's Karma
“Tomorrow. He won’t know what’s coming.” The man sitting on the lower bunk was picking at his nails with a shiny blade.
“In the showers?” Another man had his back to her as he urinated in the stainless steel toilet in the corner.
“Yeah. The guards will keep everyone out.” He heard someone walking down the corridor and quickly stashed the metal razor under his mattress.
The men didn’t see Annie standing there, but then she was only dreaming. It looked like the inside of a prison...