The story follows a recent divorcee who spends her daily commute fantasizing about a seemingly perfect couple who live in a house that her train passes daily, but something shocking happens there one day.
As a child, Evie lost herself in the myths and legends of the sea while her family collapsed around her. A childhood tragedy and an estrangement from her loved ones means Evie must find her way in the world on her own....now the demons of her past have come to reclaim her.