Four new bladesmiths face the unprecedented challenge of forging the barrel of a gun into a lethal knife. After a round of brutal testing, the final two bladesmiths return home where they have five days to forge one of the most legendary blades in combat history, the Cavalry Saber. Will these challenges be too much for the bladesmiths or will one rise to the top and be crowned Forged in Fire Champion? (thetvdb.com)