This is the story of a young girl's journey of self-discovery during the summer before her senior year of high school. She has always been the plain, awkward girl, but when she returns to the beach town where she spends her summers, she finds that she has blossomed into
From Wikipedia
The Summer I Turned Pretty is an American coming-of-age romantic drama television series created by author Jenny Han for Amazon Prime Video. It is based on her novel trilogy: The Summer I Turned Pretty, It's Not Summer Without You, and We'll Always Have Summer. Lola Tung stars as Belly Conklin, a teenager involved in a love triangle with brothers Conrad and Jeremiah, played by Christopher Briney and Gavin Casalegno, respectively.