The Secret Admirer thriller story

A story about Ema, a young teen girl who lives a wonderful life with her father and friends until she recieves a visit from a secret admirer. Ema has a wonderful relation with her single dad until she finds out the tragic truth behind his past through the admirer. Is it really what she's been told? What happens when she finds out she isn't alone?
how will she find the truth about her fathers past.
i hope you read this,it is my first story.
story in progress... :)