The baby son of rock star and popular icon Riff is kidnapped during a party and MI-5 are drawn into the high-profile investigation.
Holmes is contacted by Inspector Lestrade after the police are baffled by a series of burglaries where identical busts of Napoleon are inexplicably smashed.
As the conflict between Pompey and Caesar finally erupts into battle, Caesar finds himself badly outnumbered. With Caesar's position looking precarious, Atia concocts a cunning scheme to safeguard her family's position.