: In a major departure from the pacing of the books, Ma Costa reveals the truth about Lyra’s heritage: she is the daughter of Mrs. Coulter and Lord Asriel, born from a scandalous affair.

: Moves beyond a "mourning mother" trope to become a protective, maternal figure who gives Lyra much-needed clarity about her past.

The episode is noted for its shift into "spy thriller" territory, particularly through Lord Boreal’s scenes involving facial recognition and secret meetings.

" The Spies " is the third episode of the first season of the BBC/HBO fantasy series , which originally aired in November 2019. Directed by Dawn Shadforth and written by Jack Thorne, this installment serves as a pivotal "table-setting" chapter that bridges Lyra’s escape from London with her impending journey to the North. Plot Summary: Secrets and Revelations