Kristen stepped into her apartment and closed the door.

The hallway was dark, the lights turned off. The only noise in the whole building were her footsteps echoing in the quiet apartment.

She walked to her bedroom and took off her shoes. There was a slight pause and she listened to make sure no one had followed her home. She let out a relieved sigh when all seemed safe.

It was a cold night, the wind howling down from the high rise and causing a few of Kristen's hairs to ...