When a young Filipino au pair named Ruby disappears from the most affluent neighborhood in Copenhagen, Cecilie becomes convinced that something has happened to her. As Angel, Cecilie's au pair, begins to investigate the rumors circulating, suspicions of a crime grow. However, the case of the missing foreigner is a low priority for the police, and the newly minted investigator Aicha needs all the assistance she can get.
Cecilie and Angel are ready to help, and gradually, the power structures and privileges within the beautiful homes start to expose themselves. Yet, Cecilie's commitment to uncovering the truth is put to the test when Ruby's disappearance reveals connections reaching into her own family. She is forced to confront her blind spots and view her family and the environment in which she is raising her children in a whole new light.
As the investigation unfolds, it becomes clear that there are deeper secrets lurking beneath the surface of the seemingly perfect facades. The families involved are hiding things from each other, and as Cecilie digs deeper, she finds herself caught up in a web of lies that threaten to tear apart the fabric of her life.
But with each twist and turn, Cecilie discovers a connection between Ruby's disappearance and the wider world beyond the confines of Denmark. And as she delves deeper, she realizes that the truth may be more complicated than she ever imagined.
In the end, Cecilie must choose between her own beliefs and the truth that lies ahead, and decide whether to continue searching for Ruby or to face the consequences of what she uncovers.