Get Out Alive

Grace Wilson can't remember how she ended up locking herself in the janitor's closet.
Things get worse when she discovers that she isn't alone in a seemingly abandoned hospital.
Terrified and confused, Grace flees for her life with a pack of deranged sick people on her heels as she tries to find something resembling safety. More importantly...what was she doing there in the first place? Who left her behind? Why?
And will she...GET OUT ALIVE?