Through modern day interviews, archival footage and vintage audio tapes, this documentary tells the story of the legendary and unfinished 1967 Beach Boys album SMiLE, intended to be the follow-up to their landmark album Pet Sounds, as well as Brian Wilson's ultimate decision to revisit the material 36 years later.

Brian Wilson
as Self

David Anderle
as Self

Hal Blaine
as Self

Jeff Bridges
as Self

Elvis Costello
as Self

Carol Kaye
as Self

George Martin
as Self

Van Dyke Parks
as Self

Sylvie Simmons
as Self

Michael Vosse
as Self