Born on the same day in the same hospital, Elle Evans (Joey King) and Lee Flynn (Joel Courtney) have been best friends all their lives. To protect their special relationship, the pair created a set of friendship rule they are sworn to follow. However, after a chance encounter at a kissing booth, Elle finds her first love in Lee's bad-boy older brother, Noah Flynn (Jacob Elordi). Soon a romance with Noah blossoms and Elle finds herself breaking the rules and hurting Lee. Quickly, tensions flare between the two brothers and Elle faces loosing them both.—mosbyhope