A man with the ability to enter peoples' memories takes on the case of a brilliant, troubled sixteen-year-old girl to determine whether she is a sociopath or a victim of trauma.
The protagonist is a young woman, Joan Prats suffering from agnosia, a strange, primary visual disease that is one of the neuropsychological disorders of perception. Although her eyes and ears are in perfect condition, her brain is not able to correctly interpret the stimuli it receives. Joan is...