Already It's Tomorrow

A girl wakes up in a strange apartment with no memory of what happend to make her lose consciousness. Boy is looking after her, but everything seems to contradict; she doesn't remember owning the clothes she's wearing and despite nicotine stained fingers she is adament she has never smoked. When they discover a parked car outside the window with a man insdie it watching the house, Girl begins to get scared, more so when the man enters the house and turns out to be a policeman. Who is Girl and what has she done?