Fourteen-year-old Luce reaches the depths of despair when she is assaulted and left onthe cliffs outside of her grim, gray Alaskan fishing village. She expects to die when shetumbles into the icy waves below, but instead undergoes an astonishing transformationand becomes a mermaid.A tribe of mermaids finds Luce and welcomes her in—all of them, like her, lostgirls who surrendered their humanity in the darkest moments of their lives. Luce isthrilled with her new life until she discovers the catch: the mermaids feel an uncontrollabledesire to drown seafarers, using their enchanted voices to lure ships into therocks. Will Luce be pressured into committing mass murder?