This epic rock comedy tells the story of a young rocker JB, from Kickapoo, journeying to find his counterpart in rock KG, and together they form the band Tenacious D! Once formed, they decide to chase the legend of a magical pick that has shaped the history of modern music for decades and will give them ultimate rock power! Along with a group of rambunctious roadies, a super sugary groupie girl and a take-no-shit tour manager, they will put their musical spirits and their friendship to the test.