Lara Jean is enjoying her senior year, head over heels for her boyfriend Peter. Her father is also getting remarried. Everything seems perfect, with plans to attend UVA with Peter, until she gets an unexpected college rejection. Suddenly, her future is uncertain, and she must decide whether to follow her heart or her head. As she navigates college prospects, prom, Beach Week, and her dad's wedding, Lara Jean confronts the realities of growing up and the possibility of a long-distance relationship, all while trying to hold onto the love story that began with a secret letter. This is the final installment in the "To All the Boys I've Loved Before" trilogy.