Elle Evans (Joey King), who just had the most romantic summer of her life with her reformed bad-boy boyfriend Noah Flynn (Jacob Elordi). But now Noah is off to Harvard, and Elle heads back to high school for her senior year. She'll have to juggle a long-distance relationship, getting into her dream college with her best friend Lee (Joel Courtney), and the complications brought on by a close friendship with a handsome, charismatic new classmate named Marco (Taylor Perez). When Noah grows close to a seemingly-perfect college girl (Maisie Richardson-Sellers), Elle will have to decide how much she trusts him and to whom her heart truly belongs.