The breastplate of Attila the Hun is stolen as it has clues to the location of the Sword of Mars. It is said the Sword of Mars made Attila invincible and is guarded by Cerberus.
Cerberus, is a 2005 Sci Fi Channel original film, starring Sebastian Spence, Emmanuelle Vaugier, and Greg Evigan. The film was directed by John Terlesky, and was released direct–to–video in 2005.