A sinister group of gladiators has come to Ostia and Nubia believes her missing brother may be amongst them.
The children smuggle themselves into the arena to find him, till Lupus is caught and put with a wild beast and Jonathan faces the strongest gladiator in single combat.
There is a deadly mystery here - but can they solve it in time?
click here to see where to watch or .
Ready to Watch Roman Mysteries, Season 2, Episode 1?