The Last Thing He Told Me, released in 2023, did what every book lover who has become a TV fanatic dreams of: it transformed a self-sufficient novel into a tense mystery that millions of people could not stop talking about. Apple TV+ referred to it as a limited series, which traditionally screams one-and-done, not to mention that the first season had already adapted the entire original novel, so most people expected the show to go no further.However, we are here, as Apple TV+ surprised the audience with a second season in sight. The twist is that it is based on a new sequel written by Laura Dave herself. The show will not create a new plot; it will use new material from the author. This implies that The Last Thing He Told Me Season 2 will be faithful to the books, carrying on with the narrative in a natural manner.The source material for The Last Thing He Told Me Season 2 View this post on Instagram Instagram PostThe Last Thing He Told Me Season 1 was a close adaptation of the original eponymous novel by Laura Dave. It centered on Hannah Hall (Jennifer Garner), who was seeking answers after her husband vanished, leaving one inexplicable message. The emotion and suspense of the story were directly out of the book.In The Last Thing He Told Me Season 2, the series is not inventing an original narrative but is based on the sequel by Laura Dave titled The First Time I Saw Him, which was published in January 2026. Thus, The Last Thing He Told Me Season 2, just like Season 1, is adapted from a novel. In a recent interview with ScreenRant, the lead star and co-executive producer, Jennifer Garner, stated why the series returned for Season 2, saying:“So here we are. Laura didn't realize she had written one of the great cliffhangers of all time, and Lauren Neustadter, producer with Hello Sunshine, just started quietly saying, "Hey, why don't you just think about it, just in case." And then when people actually watched the show — Laura's readers, the viewers, all of us — demanded to know what happens next.”Nonetheless, the show is not going to duplicate the book. Using new characters (Judy Greer and Rita Wilson), the series can modify or alter certain sections of the narrative in order to fit into TV and to ensure the viewer is not bored.Book to screen: faithful or free-form? View this post on Instagram Instagram PostThe Last Thing He Told Me Season 2 is technically adapted from The First Time I Saw Him, but the idea of adapting a book to screen is not to make a page-by-page imitation. It is rather a retelling of the story on screen.According to interviews and production news with the creative team of the series, which includes the co-creator Joshua Singer and producers Jennifer Garner and Reese Witherspoon, The Last Thing He Told Me Season 2 retains the heart of the novel and alters portions to make it more exciting on TV.Season 2 brings in new relationships between characters and potential new plotlines that are not quite in the book. That is a contemporary fashion of adapting: retaining the original feelings and concepts but restructuring the narrative to fit eight episodes. So, is it an adaptation? Yes, but not a copy. It is a television sort of remix that allows the narrative to expand beyond the pages.What this means for fansIf you like books turned into shows, you should look forward to The Last Thing He Told Me Season 2 coming to Apple TV+ on February 20. The primary plot is borrowed from the novel The First Time I Saw Him, so the characters and the feelings remain faithful to the book. However, as TV operates in a different manner, the creators have introduced some new scenes and twists for visual drama.You will see some familiar characters: Jennifer Garner as Hannah, Angourie Rice as Bailey, and Nikolaj Coster-Waldau as Owen, and a closer exploration of family, danger, and secrets. So, yes, The Last Thing He Told Me Season 2 is a book adaptation with some new adjustments, which is good for all: the readers, the TV-friendly audience, and the binge watchers.For more such insights on The Last Thing He Told Me Season 2, keep following SoapCentral.