Bob returns home for his mother’s funeral knowing that he must fulfill a promise made 30 years earlier—to care for his younger brother DJ, who is schizophrenic. When Bob eventually takes over responsibility for his younger brother’s well-being, he embarks upon the most difficult challenge of his life.

“Ring of Fire” recounts June’s meteoric rise to fame with The Carter Family, considered the First Family of country music, before breaking out on her own to perform, when she would become a legend in her own right. Taking a personal look at June’s first two marriages, life with her daughters and touching relationship with her son, the movie showcases her infamous courtship with Cash and June’s heroic role in saving his life during his battles with substance abuse, as well as how her unwavering faith in God, confidence and talent has taught lessons to generations.

Fundamentalist sect member BeckyLyn is accused of killing her husband. Queenie, another wife in the polygamist sect, doesn't believe BeckyLyn is capable of such violence and desperate to prove her innocence reaches out to her excommunicated son Jordan for help in freeing his mother.