In 1856, two Victorian siblings follow in David Livingstone's footsteps to the banks of the Zambezi river in present day Zimbabwe, the brother seeking rare flora, his sister a lost African civilization. Only, Louise Hopkins will never return though her brother Terrence will bring home her findings: a peculiar mask with hennaed dreadlocks plus two jeweled staves. Over a century later, Phoebe McCabe is drawn into a case involving...