A single mother struggles to clear her name after being wrongly accused and arrested for dealing drugs in an impoverished town in Texas.

Since 1978, Anvil has become one of heavy metal's most influential yet commercially unsuccessful acts. In 2006, after a fledging European tour Anvil sets out to record their thirteenth album and continue to follow their dreams.

Can Dethklok choose between their egos and the greater good of the world to embark on a gauntlet of dangers that will try their very souls and finally write the song that will be their salvation?