The characters must learn to cope with loss and the end of childhood innocence following Susannah's death.

The Summer I Turned Pretty , It's Not Summer Without You , We'll Always Have Summer 3 seasons on Prime Video (Final season released in 2025) Upcoming

This report summarizes the plot, characters, and major themes of The Summer I Turned Pretty , a coming-of-age franchise by Jenny Han that includes a bestselling book trilogy and a popular Prime Video adaptation.

The eldest brother, Conrad, deals with internal turmoil due to his mother's secret cancer diagnosis, leading to moodiness and distance that confuses Belly.

The story follows Isabel "Belly" Conklin, who spends every summer at Cousins Beach with her mother’s best friend, Susannah, and Susannah's two sons, Conrad and Jeremiah Fisher . The summer she turns sixteen marks a turning point as she transitions from childhood to adulthood and becomes the center of a complex love triangle between the two brothers.

The enduring bond between Belly’s mother, Laurel, and Susannah serves as a secondary, multigenerational narrative about loyalty. Franchise Overview Author Books

After years of back-and-forth, Belly eventually makes a final choice. In the book series and TV finale, she marries Conrad at age 23 after a period of self-discovery and study abroad in Paris . Major Themes

A central emotional arc involves the death of Susannah Fisher, which deeply impacts all characters and threads the story with grief as they try to move forward.