A celebration of the musical work of a group of session musicians known as "The Wrecking Crew", a band that provided back-up instrumentals to such legendary recording artists as Frank Sinatra, The Beach Boys and Bing Crosby.

Tom Waits is one of the most original musicians of the last five decades. Renowned for his gravelly voice and dazzling mix of musical styles, he's also one of modern music's most enigmatic and influential artists. Using rare archive, audio recordings and interviews, this film is a bewitching after-hours trip through the surreal, moonlit world of Waits' music - a portrait of a pioneering musician and his unique, alternative American songbook.