Pure Country: Pure Heart is the moving, music-driven tale of teenage sisters Ada and Piper. Upon discovering a letter about their late father, a Marine who died in Iraq, they leave rural Tennessee and hit the road secretly in search of the truth about the man they never knew. As they uncover his past as a budding country music star, the sisters find their own voice, beginning their journey as singers/songwriters.

En plein milieu d'une tournée, un célèbre chanteur country décide de retourner vivre incognito dans son patelin natal.