This is the demo for the Mach prologue. It has no cutscenes yet and is just the main level and basement right now.
(Cutscene coming soon) Pamela's Father has gone missing, and goes to ask for help from her dad's friend. However, her dad's friend has doesn't seem to want to let her in, and Pamela assumes there's something he is hiding. She hears screams coming from the basement door and decides to try to break in.