Rome, 1900. Fifteen years ago, Abigail Wilson joined an archaeological dig at the Colosseum at the start of her career. She returns now to the Eternal City as a guest speaker for a festival on Classical Rome, including the site of legendary gladiator battles. Travelling with Abigail is her husband, Daniel Wilson, a private investigator with whom she has built up a reputation for solving complex cases. The trip is also meant to be a well-earned holiday, but the bloody history of the ancient arena seeps into the present with the violent murder of one of Abigail's colleagues and his wife at the Colosseum itself. < p/> Moving from the Forum to the Spanish Steps, Rome is suddenly the backdrop of another investigation for the Museum Detectives, who must contend with the local authorities and a shady mafia influence if they are to crack this case.