Genghis Khan traces the rise of the Mongol ruler from a childhood marked by exile and betrayal to his conquest of an empire stretching across Asia. The film follows his transformation from a boy abandoned on the steppe after his father's murder into the commander who united the Mongol tribes and built the largest contiguous land empire in history. It weighs the two halves of his reputation at once: the military strategist who reorganized his armies around merit rather than bloodline, and the conqueror whose campaigns leveled cities and left mass casualties across Central Asia, Persia, and China. Archival maps, battle reenactments, and expert commentary walk through the sieges and shifting alliances that built his power, while also tracing how a man shaped by early hardship became one of history's most feared rulers. The film treats his brutality and his genius as inseparable, arguing that both grew out of the same brutal steppe world that raised him.