This book was amazing! It was beautifully written, hauntingly beautiful. There was so much depth and thought to the world building, characters, and the mystery. Everytime I thought I had figured out what happened to the woman who washed up on the shore, there was a plot twist. I felt such a connection to Kate/Addie, their stories had me in tears. And the ending...didn't see it coming. This story was stunning, a perfectly ghost story and murder mystery.