In 1960s London, a young woman named Anna arrives at the Fane family's home to work as a nanny for the two adorable yet mischievous sisters. From the very first day, Anna finds herself intrigued by the strange behavior of the family members. The mother, a distant and cold figure, seems to harbor a dark secret, while the father is more interested in his work than in his home.
As Anna delves into the daily life of the Fanes, she begins to notice unsettling things. The girls have a peculiar obsession with their deceased mother, who died under mysterious circumstances. What appears to be a simple nanny story quickly turns into a psychological game filled with tensions and unexpected twists, where the line between good and evil blurs in an atmosphere of growing suspense.
With her keen intuition and desire to protect the girls, Anna starts to investigate what is really happening behind the closed doors of the house. With each discovery, the tension intensifies, revealing secrets that will shake the very foundations of the Fane family. An unsettling atmosphere and a surprising ending take the viewer on an emotional rollercoaster, prompting them to question how far they would go to protect the innocent. All of this culminates in a conclusion that will leave everyone pondering the shadows that may hide behind a perfect facade.