大门上的猫眼，分为单向和双向‌‌。When the young Filipino au pair Ruby disappears from one of Denmark's most affluent neighborhoods north of Copenhagen, the neighbor, Cecilie, becomes convinced that something has happened to her. Cecilie's au pair, Angel, begins to investigate the rumors circulating, while suspicions of a crime grow. However, the case of the missing foreigner is a low priority for the police, a...