Born on the same day in the same hospital, Elle Evans and Lee Flynn 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. 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.