The television adaptation of the popular book trilogy “The Summer I Turned Pretty” has garnered significant attention for its deviations from the original source material. Since its premiere on Prime Video in June 2021, the show has captivated audiences with its portrayal of Isabelle “Belly” Conklin and her experiences at Cousins Beach. As the series approaches its third and final season, fans can expect even more surprises, according to author and showrunner Jenny Han.
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Han hinted at these surprises in an interview with Entertainment Weekly in March 2025, teasing that viewers familiar with the books may encounter unexpected twists. While the show maintains the major plot points and iconic moments from the trilogy, there have been notable differences introduced along the way. From character arcs to pivotal events, here are 11 key distinctions between the TV adaptation and the best-selling books.
One significant change is the inclusion of the debutante ball, a dramatic event that was not part of the original books. This storyline serves as a pivotal moment in season 1, highlighting Belly’s growth and challenging her familial expectations. The decision to add the debutante ball was a deliberate one, as Han explained in a 2022 interview with TheWrap, citing it as a way to explore themes of transition and coming of age.
Another divergence involves Susannah’s secret battle with cancer, which is handled differently in the show compared to the books. While in the novels both sons are aware of their mother’s diagnosis, the TV adaptation introduces a layer of secrecy that impacts the Fisher family dynamics. This alteration adds depth to Susannah’s character and sets the stage for emotional revelations.
In a bold move, the show reimagines Jeremiah’s character as sexually fluid, a departure from the book version. Han’s intention in portraying Jeremiah’s exploration of his sexuality reflects a modern perspective and a nuanced approach to identity. By challenging traditional norms, the adaptation brings a contemporary sensibility to the story, resonating with audiences navigating similar journeys.
The romantic dynamics between Belly and her suitors also diverge between the books and the show. From the reshuffling of kiss sequences to the handling of intimate moments, these alterations shape the characters’ relationships and motivations in distinct ways. The evolution of these connections underscores the complexities of love and desire explored throughout the series.
Additionally, the portrayal of family dynamics undergoes changes, such as Belly’s mother Laurel’s profession as an author, an element not present in the original books. This creative decision weaves a subtle thread connecting the show to the novels, enhancing the thematic continuity between the two mediums. By incorporating these subtle nods, the adaptation deepens the narrative tapestry of the story.
A new storyline involving Aunt Julia’s attempt to sell the Cousins Beach house introduces fresh conflicts not found in the books. This plotline provides opportunities for character growth and challenges the protagonists to confront their pasts. Through Aunt Julia’s presence, the show explores themes of inheritance and belonging, expanding the world of Cousins Beach.
One of the most significant departures from the source material involves Belly’s intimate relationship with Conrad. In a season 2 flashback, the show depicts Belly losing her virginity to Conrad, a poignant moment that diverges from the book’s narrative. Han’s rationale for this creative choice emphasises Belly’s agency and desires, framing the scene as a pivotal juncture in her personal journey.
As the series progresses, new storylines such as Taylor’s mother’s financial troubles are introduced, creating additional layers of complexity and depth. These narrative additions enrich the show’s thematic landscape, offering fresh perspectives on the characters’ lives and relationships. Through these developments, the adaptation continues to surprise and engage viewers with its compelling storytelling.
In conclusion, the adaptation of “The Summer I Turned Pretty” transcends the confines of its source material to deliver a captivating and nuanced portrayal of love, growth, and self-discovery. By embracing creative liberties and reimagining key elements of the story, the show offers a unique viewing experience that both honours the original books and charts its own narrative course. As fans eagerly anticipate the season 3 premiere, the promise of more surprises awaits, ensuring that the legacy of “The Summer I Turned Pretty” endures across screens and pages.