This story had beautiful visual language and a heartbreaking story. Lost, abused, mistreated young girls turn into mermaids who lure those on ships to their deaths. Luce was almost raped by her uncle before she became a mermaid but she doesn't hate all humans because she remembers her father's love. She makes friends and tries to learn to sing a song that won't kill but Anais joins the group and brings evil to it.