Ørjan Aasen's life changes drastically after his brother's death, leading him to Tromsø to escape his guilt. There, he meets Ella, an elderly woman who asks for his help in writing her biography. As Ørjan delves into her past, he uncovers haunting family secrets and mysteries surrounding Ella's missing sibling, all while her health declines.
Set against the bleak backdrop of Northern Norway, the story follows Emily Dahl as she grapples with her mother's death and her new life in isolation. Her discovery of an old diary leads her to uncover the haunting tale of Mari, a girl who disappeared two decades earlier. As Emily delves deeper into Mari's tragic past with the help of her neighbor, Loar, she encounters a mysterious girl in a white nightgown who claims to be Mari, intertwining their fates and secrets in a chilling exploration of loss and the supernatural.