Grace hasn´t been the same since the death of her best friend Charlie. She is haunted by Charlie´s last words, and in a bid for answers, opens an old memory box of Charlie´s. It soon becomes clear there was a lot she didn´t know about her best friend.
When Grace starts a campaign to find Charlie´s father, Anna, a girl claiming to be Charlie´s sister steps forward. For Grace, finding Anna is like finding a new family, and soon Anna has made herself very comfortable in Grace and boyfriend Dan´s home.
But something isn´t right. Things disappear, Dan´s acting strangely and Grace is sure that someone is following her. Is it all in Grace´s mind? Or as she gets closer to discovering the truth about both Charlie and Anna, is Grace in terrible danger?
There was nothing she could have done to save Charlie… or was there?
A compelling, gripping psychological thriller perfect for fans of The Girl on the Train, I Let You Go, and The Girl With No Past.