Corpus Callosum

When 30-year-old firefighter Josephine Porter dies in the line of duty, her sister Jeanette arranges to have Joey's brain uploaded to a computer system called BrightBox. At first, Jeanette is thrilled to have her sister's mind stored in a small device that she can bring with her wherever she goes; life seems to become one unending slumber party.

But being trapped in a BrightBox doesn't suit Joey well—she experiences painful phantom limbs, strange auditory and visual hallucinations, and finds...