A former gymnast, portrayed by Olivia d'Abo, is trying to rejoin her team after an injury in Buffalo. The question becomes whether she’ll manage to compete again at the regional gymnastics competition held near Niagara Falls. Keanu Reeves takes on a romantic role alongside her, with Rita Tushingham appearing as the coach. "Teenage Dream,” originally titled “Flying” and also known as “Dream to Believe”—the title di…