Despite the ever-present oppression of the Jim Crow South around him, Tobit Messager had become a prosperous and well-respected man. Then one day forces beyond his control start a cascade of misfortune that leaves him blind and nearly destitute. It is then that an affable travelling musician, who calls himself Ace Redbone, shows up on his doorstep claiming to be a distant relative. In an effort to alleviate his family's dire situation, Tobit allows his son, Tobias, to accompany Ace Redbone on a quest to collect a long overdue debt. Together, Ace, Tobias, and a most peculiar dog named Okra set off on a journey that will lead to unexpected consequences. Currents of grace begin rippling through not only Tobit's family but his entire community as hidden crimes are revealed and justice, which had almost been despaired of, is served.