Growing up in post-World War II era Arizona, young Sammy Fabelman aspires to become a filmmaker as he reaches adolescence, but soon discovers a shattering family secret and explores how the power of films can help him see the truth.

The first scene shows Agent Sam Stanley and Agent Chet Desmond late at night after performing the autopsy on the body of List of Twin Peaks characters#Teresa Banks as they discuss how much time had passed since they entered the morgue. Later, they arrive at Hap’s Diner, where Teresa once worked the night shift as a waitress, and question the owner of Hap’s about Teresa. Sheriff Cable of Deer Meadow goes outside with Desmond, and fights him over taking the body of Teresa with him back to Portland, which took the murder investigation out of the hands of the local and corrupt Police Department. Later, Special Agent Dale Cooper is shown in a doorway in the Philadelphia headquarters of the FBI talking to his secretary Diane. Next, Cooper meets Sam Stanley after Desmond went missing.