Leo Borlock (Graham Verchere) moved to Mica, Arizona at the age of nine. As the new kid, he was bullied so he made the decision to fly under the radar and be just like everybody else in an effort to fit in. He becomes an average student at Mica High School, where he gets decent grades and is a member of the school’s marching band.
But then a new girl arrives in town. Stargirl Caraway (America's Got Talent winner Grace VanderWaal) is confident and colorful. Unlike Leo, she doesn't seem to care what people think of her. She's kind, finds magic in the mundane and touches the lives of others with the simplest of gestures. Things begin to change at Mica High School.
Based on the novel by Jerry Spinelli.