Watch 123Movies. Coming home from the grocery store Kate begins to casually put the food away in the safety of her apartment... but what she doesn't know is there is madman stalking the building. Don't lock the door. Don't close the windows. He's already inside! She's Not Alone! is a throwback to the slasher films of the late 70s and was featured in several horror film festivals, including winning "Best Exploitation Short" at the Pollygrind Film Festival.