In this episode, after the fall of Edessa to Zengi in 1144, the Kingdom of Jerusalem appeals to Pope Eugenius III for help. The great preacher, Saint Bernard of Clairvaux gives an electrifying sermon in France, calling for a new Crusade to save the Franks in the East. The West is again set alight with crusading fervour, just as it had been with the First Crusade in 1095, and two huge armies, led by the Kings of France and Germany, march East.

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