Lumbered with working alongside reptilian Chief Spy Anacrites Marcus Didius Falco has the perfect plan to make money
- he will assist Vespasian in the Emperors Great Census of AD73. His potential fee could finally allow him to join the middle ranks & be worthy of long-suffering Helena Justina. Unexpectedly confronted with the murder of a man-eating lion Falco is distracted from his original task uncovering a bitter rivalry between the gladiators trainers. With one star gladiator dead Falco is forced to investigate & the trail leads from Rome to the blood-soaked sand of the arena in North Africa.