In the setting of the 1950s, on a portentous night in New Mexico, an enchanting youthful centralist, Fay, and an alluring radio DJ, Everett, find an unusual radio sign that could change their humble community and their future until the end of time. Continuous calls, AM radio signs, mystery sound tape rolls overlooked in a library, simple phone trades, surpassed limits, and a mysterious call lead Fay and Everett into a chase in the obscure.