When 96-year-old retired U.S. Marshal and co-founder of Cowboys and Indians Detective Agency, William Matthew Wallace, receives a painting signed by his long-dead father in the mail from his former colleague living in New Orleans, an eight-decades-old family mystery unravels, and his son and godson are sent to investigate the circumstances for him. From pre-statehood Oklahoma into the turn of the twenty-first century, the family's secrets are brought to light as a modern crime evolves from the past.

Shipping provided by USPS, at $4 flat-rate.