When a liberal music station's owners decide to introduce army recruitment ads, despite the protests of its manager, the rebellious DJs are determined to fight back, no matter the cost.
FM is a 1978 American comedy drama film about internal conflicts at an FM radio station directed by John A. Alonzo and starring Michael Brandon, Eileen Brennan, Alex Karras, Cleavon Little, Martin Mull and Cassie Yates with special appearances by Linda Ronstadt and Jimmy Buffett in his feature film debut. The screenplay was written by Ezra Sacks.