My Father and the Man in Black (2012)

After the suicide of Johnny Cash's former manager, Saul Holiff, his estranged son, Jonathan Holiff, returns home. There, Jonathan learns from his mother that his father's personal records exist in storage. As Jonathan searches through them, he discovers much about his father's life of deferred dreams in London, Ontario until he became the manager of Johnny Cash. From there, Jonathan learns of his father's hectic life managing the erratic country star with his personal demons and moods and how the material success came with a profound cost of its own for Saul. In doing so, Jonathan gets a new perspective of a father who had his problems that he never fully conquered himself.