Treatment- The Mystery Footsteps

Lauren decides to stay behind to finish off coursework with her best friend Tia. When Tia goes to the toilet and doesn't return, Lauren starts to panic she goes to the window and sees someone walking away. She thinks nothing of it and returns to doing her work. After a while she decides to go and look for Tia, she packs her work away and heads to the door.She goes to her locker and whilst walking down the corridor she sees her name spelt out on the floor in paper. A she turns to run out of the building she hears footsteps behind her. Before she has the chance to turn around and see who this mystery person is, they grab her. Could it be Tia?