Belly Conklin, a teenage girl, is excited about returning to Cousins Beach for the summer, a place filled with memories of her childhood. She has spent every summer there with her mother, Laurel, and her older brother, Steven. This summer feels different for Belly, as she has recently turned pretty and is hopeful about her feelings for Conrad Fisher, the older brother of her childhood friend, Jeremiah. The story begins with Belly and her family driving to Cousins Beach, where she reflects on her past summers and her crush on Conrad.

Upon arriving at the beach house, Belly is greeted by the familiar sights and sounds of summer. She quickly reunites with Jeremiah and Conrad, who are both excited to see her. Belly feels a mix of nervousness and excitement as she interacts with the boys, especially Conrad, who seems distant and moody. The dynamic between the three of them is complicated, as Belly grapples with her feelings for Conrad while also enjoying her friendship with Jeremiah.

As the days pass, Belly tries to navigate her feelings. She attends a party with Jeremiah and Conrad, where she feels out of place but also exhilarated. At the party, Belly witnesses the tension between Conrad and his mother, Susannah, who is battling cancer. This adds a layer of complexity to Belly's interactions with the boys, as she begins to understand the weight of their family struggles. Belly's feelings for Conrad deepen, but she is also drawn to Jeremiah's playful and caring nature.

Belly's relationship with her mother, Laurel, is explored as well. Laurel is dealing with her own issues, including her past with Susannah and the emotional toll of their friendship. Belly feels a sense of pressure to be perfect and to fit into the expectations set by her mother and the Fisher family. This pressure manifests in her desire to impress Conrad, leading to moments of insecurity and self-doubt.

One pivotal moment occurs when Belly and Conrad share a private moment at the beach. They have a heart-to-heart conversation where Belly opens up about her feelings, and Conrad, despite his initial aloofness, shows a glimpse of vulnerability. This moment ignites a spark between them, but it is quickly overshadowed by Conrad's internal struggles and his complicated relationship with his mother.

As the summer progresses, Belly finds herself caught in a love triangle. Jeremiah expresses his feelings for her, making her feel cherished and appreciated. However, Belly's heart still longs for Conrad, leading to confusion and emotional turmoil. The tension escalates when Belly and Jeremiah share a kiss, which complicates her feelings even further. She feels guilty for leading Jeremiah on while still being drawn to Conrad.

The climax of the season occurs during a family gathering at the beach house. Emotions run high as Susannah's health deteriorates, and the family confronts their fears and insecurities. Belly witnesses the raw emotions of the Fisher family, which forces her to confront her own feelings about love, friendship, and loyalty. In a moment of desperation, Belly confesses her feelings to Conrad, but he hesitates, caught between his family obligations and his feelings for her.

The season concludes with a dramatic confrontation between Belly, Conrad, and Jeremiah. Belly is left feeling heartbroken and confused as she grapples with the reality of her summer romance. The final scene leaves viewers with a sense of unresolved tension, as Belly must decide what she truly wants and how to navigate her relationships moving forward. The summer has changed her, but the future remains uncertain, setting the stage for further exploration of love and friendship in the seasons to come.

At the end of "The Summer I Turned Pretty," Belly finds herself at a crossroads in her relationships with the Fisher brothers, Conrad and Jeremiah. After a summer filled with emotional turmoil, she ultimately chooses to pursue a deeper connection with Conrad, despite the complexities of their past. The season concludes with a poignant moment that leaves viewers anticipating the future of these relationships.

As the final episode unfolds, the atmosphere is thick with tension and unresolved feelings. Belly, having spent the summer at Cousins Beach, is grappling with her feelings for both Conrad and Jeremiah. The summer has been a transformative experience for her, marking her transition from childhood to young adulthood.

Scene by scene, the narrative begins with Belly reflecting on her time at the beach house, where memories of laughter and heartache intertwine. The sun sets over the ocean, casting a golden hue that mirrors her mixed emotions. She recalls the moments shared with both brothers, each representing different aspects of her life and desires.

In a pivotal scene, Belly confronts Conrad about their relationship. The air is charged with unspoken words as they stand on the porch, the sound of waves crashing in the background. Conrad, who has been distant and brooding throughout the summer, finally opens up about his feelings. He reveals the struggles he has faced, particularly regarding his mother's illness and the weight of family expectations. This moment of vulnerability draws Belly closer to him, igniting the spark that has always existed beneath the surface.

Meanwhile, Jeremiah, who has been Belly's steadfast friend and confidant, senses the shift in her affections. He watches from a distance, his heart heavy with the realization that Belly's feelings for him may not be as deep as he hoped. In a quiet moment, he approaches Belly, expressing his feelings and the bond they share. However, Belly's heart is torn, and she struggles to articulate her emotions, feeling the pressure of the choices before her.

As the episode progresses, the tension culminates in a dramatic confrontation at a beach bonfire. Friends and family gather, but the focus is on the three of them. Belly stands between the two brothers, each representing a different path for her future. The flames flicker, casting shadows that symbolize the uncertainty of her choice.

In a moment of clarity, Belly makes her decision. She chooses to pursue a relationship with Conrad, acknowledging the depth of their connection and the history they share. This choice is not made lightly; it is filled with the weight of past summers, laughter, and heartbreak. As she walks towards Conrad, the atmosphere shifts, and the warmth of the bonfire mirrors the rekindling of their relationship.

The season concludes with Belly and Conrad sharing a tender moment, their hands brushing against each other as they stand close, the world around them fading away. Jeremiah, though heartbroken, puts on a brave face, understanding that love is complicated and sometimes unrequited. The camera captures the bittersweet expressions on their faces, leaving viewers with a sense of longing and anticipation for what lies ahead.

In the final scenes, Belly reflects on her journey, realizing that this summer has changed her forever. The ocean waves crash against the shore, symbolizing the ebb and flow of love and relationships. As the screen fades to black, the audience is left with the lingering question of how these choices will shape their futures, setting the stage for the next chapter in their lives.

In "The Summer I Turned Pretty," Season 1, there is no post-credit scene. The season concludes without any additional scenes after the credits roll, focusing instead on wrapping up the main narrative arcs and emotional developments of the characters. The final moments of the season leave viewers with a sense of anticipation for the next chapter in the story, but there are no extra scenes to provide further insight or tease future events.

The summer house serves as a central setting for the characters, particularly for Belly, who has spent her summers there since childhood. It symbolizes nostalgia, family bonds, and the transition from childhood to adulthood. The house is filled with memories of past summers, and it becomes a backdrop for the evolving relationships between Belly, Conrad, and Jeremiah.

Belly's relationship with Conrad is complex and filled with tension. Initially, she harbors a long-standing crush on him, which is complicated by his aloofness and emotional struggles. As the season progresses, moments of vulnerability and connection emerge, particularly when they share intimate conversations and experiences, revealing deeper feelings. However, Conrad's internal conflicts and his protective nature towards his family create obstacles in their budding romance.

Jeremiah serves as a close friend and confidant to Belly, providing her with support and companionship. He is more openly affectionate and playful compared to Conrad, which makes him a source of comfort for Belly. As the summer unfolds, Jeremiah's feelings for Belly become more apparent, leading to a love triangle that complicates their friendship and adds emotional depth to the narrative.

Belly's relationship with her mother, Laurel, is characterized by a mix of admiration and frustration. Laurel is protective and often tries to guide Belly through her emotional experiences, especially regarding boys and growing up. However, Belly feels misunderstood at times, particularly when it comes to her feelings for Conrad and Jeremiah. Their interactions highlight the generational differences in understanding love and relationships, adding layers to Belly's coming-of-age journey.

Jealousy plays a significant role in the interactions between Belly, Conrad, and Jeremiah. Belly's feelings for Conrad create tension, especially when she perceives Jeremiah's growing affection for her. Similarly, Conrad's jealousy surfaces when he sees Belly and Jeremiah getting closer, leading to emotional confrontations. This jealousy not only drives the plot but also reveals the characters' insecurities and desires, making their relationships more complicated and relatable.

"The Summer I Turned Pretty" is generally considered family-friendly, but it does contain some themes and scenes that may be sensitive for younger viewers or those who are particularly sensitive. Here are some aspects to consider:

1. Romantic Relationships: The show explores teenage romance, including crushes and love triangles, which may involve emotional intensity and heartbreak.

2. Family Dynamics: There are scenes that depict complex family relationships, including discussions about divorce and the impact of loss, which could be emotionally heavy.

3. Jealousy and Rivalry: The characters experience jealousy and rivalry, which can lead to conflicts and emotional distress.

4. Mature Themes: While not explicit, there are references to growing up, self-discovery, and the challenges of adolescence that may resonate differently with younger audiences.

5. Emotional Moments: The show includes scenes that evoke strong emotions, such as sadness, longing, and nostalgia, which might be upsetting for some viewers.

Overall, while the series is aimed at a young adult audience and contains relatable themes, parents may want to consider these elements when deciding if it's suitable for younger viewers.