Fourteen-year-old Harper Whitmore has just entered high school as a naive five-foot tall freshman who has a quick wit and an ability to hold her own. Although she is convinced she is prepared to take on the world (or her tiny island of it), everything changes when she collides with the popular, attractive captain of the varsity basketball team just before second period. Scott Pierce quickly moves in on Harper, leaving little chance for anyone else to date her. Both fascinated and terrified by her relationship with the seemingly worldly senior, Harper becomes a captivating subject of gossip that soon makes her keenly aware of how others see her relationship with a guy who always gets precisely what he wants. As she navigates her unconventional dating life, Harper slowly discovers she is becoming just what her peers see in Scott. Despite the hurdles they face together, they believe they are good for each other. But at whose expense? Just Us is the story of a high school freshman's journey through love, identity, and confidence after she begins dating the most popular guy in her high school.