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The murder-mystery takes place on a wealthy Southern California ranch

Nicole Kidman will star in and executive produce a new series adapted from Girls and Their Horses by Eliza Jane Brazier.
Brazier’s novel, set in the idyllic community of Rancho Santa Fe, Calif., follows the newly wealthy Parker family as their daughters enter the fiercely competitive world of competitive horseback riding. The tangled web of secrets, lies and riches on the ranch eventually leaves someone dead, leaving readers to follow along as the mystery unfolds. Kidman, 57, will portray the Parker family matriarch.
The murder mystery is currently in development and will be co-produced by Legendary Television and Amazon MGM Studios for Prime Video, per Variety. Jenna Lamia will serve as showrunner and executive producer.
Lamia is no stranger to book adaptations, having most recently adapted Elin Hilderbrand’s The Perfect Couple for Netflix in 2024, another thriller series adaptation starring Kidman.
The actress has starred in several successful book-to-television adaptations in recent years, including Big Little Lies and Nine Perfect Strangers.
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Brazier is a competitive horseback rider herself. She regularly documents her time spent at the stable with her horses on Instagram. In a video post shared on Sunday, May 31, she wrote on a training video, “Sage has come so far 💘.”
Girls and Their Horses was previously a Read with Jenna pick from Today host Jenna Bush Hager upon its 2023 release. Hager wrote on Instagram at the time, “Giving some love to one of our favorite new book, Girls and their Horses by Eliza Jane Brazier! This is a thriller you won’t be able to put down this summer! Congrats to @elizajanebrazier! Get your copy today!!”
As the series is in early development, further casting details remain under wraps. Girls and Their Horses, published by Berkley, an imprint pf Penguin Random House, is available for purchase where books are sold.
Source People.com