When Emery was 6 years old, an alien spacecraft crash-landed in her small town. Roman, a 6-year-old alien boy, found his way to Emery's house, where she befriended him. But Roman and the other aliens – known as Atrians – were captured and segregated from human society. Years later, the eyes of the whole world are fixed on Emery's high school when a group of Atrian teens are allowed to enroll - and Emery and Roman find each other again. While the world around them rages with anger and prejudice, an epic Romeo and Juliet romance unfolds.