James was kidnapped when he was young and was locked up in an isolated place by his adoptive parents. James had only watched one children's TV series since he was young, which was "Brigsby Bear" made for him by his adoptive parents. Later, James was rescued and returned to his biological parents' home. His life also changed dramatically. After some twists and turns, James decided to make a movie of "Brigsby Bear", which he had been thinking about and had not yet finished...