Episodes cover diverse neurological and social phenomena, such as face blindness in a murder investigation ("Faces") and a young man in a cult claiming to hear the word of God, which Pierce links to a brain tumor ("Messenger").
A major arc concludes in the season finale, "Light," where Pierce discovers that Natalie is based on a woman named Caroline Newsome , his actual psychiatrist. Perception - Season 1
The season establishes a support system that allows Pierce to function despite his condition: Perception - Season 1