Martyr of the Catacombs tells the story of Christians during the great persecution under the Roman Emperor Decius. Marcellus is a successful, young Roman Army officer, chosen by the Emperor for that highest of advancements, assignment to the Praetorian Guard. Upon his arrival in Rome, he witnesses a spectacle in the Coliseum. A famous gladiator Macer defeats all opponents, but at the end he announ...