No Doubt is an American rock band from Anaheim, California, formed in 1986. Since 1989, the band has consisted of lead vocalist, Gwen Stefani; bassist and keyboardist, Tony Kanal; guitarist and keyboardist, Tom Dumont; and drummer, Adrian Young.
Set between 2000~2001, the film follows a nu-metal/pop punk band, Mach*5, made up of five boys who survive the chaotic underground scene in the sunny city of Maceió.
