The Crown S04e07 -

In season 4, episode 7 of , titled "The Hereditary Principle," Princess Margaret discovers a chilling secret about her own lineage while struggling with her declining role in the royal family and her mental health. The Story of "The Hereditary Principle"

: The discovery serves as a metaphor for Margaret's own life; she feels cast aside and "hidden" by the institution she serves, mirroring the literal abandonment of her cousins. The Crown s04e07

: To her horror, Margaret discovers that these women were committed to the Royal Earlswood Hospital in 1941 and publicly declared dead in 1963, despite being very much alive. In season 4, episode 7 of , titled

: When Margaret confronts the Queen Mother about the family’s decision to hide them, she is told that the discovery of "imbecility" in the bloodline would have threatened the legitimacy of the Crown and the purity of the family's image. : When Margaret confronts the Queen Mother about