When a new box arrives in the attic, it is checked by a little ghost girl.

Sam is a teenager starting high school. After conflicts with her old friends, this new stage of life frightens her and creates insecurities, which materialize through her own shadow. This makes her believe she'll never make friends again, but a note dispels all those doubts that only exist in her head, finally giving her the strength to face her fears and finally achieve a friendship like no other.