Marla's inability to recognize faces becomes a central element of the story. Fitzek uses face blindness not only as a tension-building element but also to illuminate the subjectivity of perception and the power of the subconscious.

Marla's traumatic experiences play a crucial role in the story's progression. Fitzek shows how deep the wounds of the past can run and how they influence our actions and perceptions.

The setting of the remote mountain hotel significantly contributes to the book's atmosphere. The secluded location and winter landscape create a sense of isolation and confinement.