Over the course of one night, in a single motel room, two filmmakers discover a startling rumor about their lead actor hours before their film premieres a prestigious festival.

An ambitious psychiatrist is researching a strange and unique mental state: hypermnesia, first of all because he would like to help his amnesic father. When he finds a patient with hypermnesia, he decides to take him out of the mental hospital at his own risk and study him. An unusual relationship is formed between the two men, which starts to endanger the doctor's career, his marriage and even the patient himself.