Fluttershy awakes to see something staring at her in the darkness of her room. It's next to her bed and its eyes are unnatural, its body otherworldly. Is it real, and if so, can she find a way to escape before its true intentions become clear?
The Rock Farm is isolated from everyone. Marble Pie knows that. That's why no one else has seen the mouth in the snow, following her wherever she goes. Every day it's closer, and today she's alone. And the snowfall has become very deep...