Unbreakable Beau (2016)

This is a coming-of-age story of a young boy grappling with the death of his older sister and finding a new strength inside himself, borne of his grief. Beau and his sister were best friends, often losing themselves in superhero fantasies. When Beau's sister dies, he finds comfort in wearing her superhero outfit, trying to draw from her strength until he realizes that the strength that he needs is actually within himself, and he no longer needs his sister's strength to draw from.