Invisible...

Sophie is a 16 year old girl who lives alone with her mother. She doesn't fit in at school, because she is unusually quiet, so naturally, the only person who misses her when she is brutally murdered, is her mother. Sophie's spirit lives on however, though no one can see or hear her. Sophie has to find out how she can heal her mums pain, the mystery behind her death, and above all, who was her murderer...