The series made its debut at the 81st Venice International Film Festival before premiering on Apple TV+ on October 11, 2024, with its first two episodes. It received generally positive reviews from critics. The story is revealed in a non-linear fashion with the main actions occurring in Italy when Catherine's son Nicholas is four years old and back home in London.
A famed documentary journalist discovers she is a prominent character in a novel that reveals a secret she has tried to keep hidden.