Saul Holiff, the filmmaker’s father, was Johnny Cash’s agent during the 60s and 70s. Saul and his son, Jonathan, didn’t have a close relationship. When Saul dies Jonathan hopes his father left him something that might explain their troubled relationship. What he finds instead is a storage locker full of audio tapes, letters and memorabilia from Cash’s and Holiff’s time together. This documentary is a compilation of the material he found.