Hiro Hamada

When Hiro discovers his supposedly dead brother Tadashi has been secretly alive and working for a shadowy organization, he must choose between exposing the truth and protecting the family that's finally healing.

Stranded on a desolate moon with the ghost of his dead brother Tadashi, a guilt-ridden inventor must confront the psychological fractures tearing his mind apart before the isolation consumes what's left of his sanity.