You moved out of your parents house when you were eighteen. It's been three years since then. Now your stepsister is eighteen and is being told to move out. With no job and no where else to go she turns to you for help. Out of kindness you allow her to stay with you as long as she pays rent. She's been living with you for a few weeks now and she's stating to act...weird, around you. What could possibly be going through that head of her's?