Someone's clearly in a hurry- you can just find the shoes later. You get up, but flinch when you step into something warm and sticky. You step back, only to step into another puddle. Is- is it pouring into the room? You can't step anywhere dry now- it's up to your ankles.
Something in the room moves.
"H-hello?" You whisper. The liquid is up to your ankles, and you can hear it rushing in like a stream.
"You're not supposed to be here," an awful voice whispers. "Wake up!"