This engaging educational video explores the structure and impact of the feudal system in Medieval Europe through the unique lens of "promises." The narrator explains how the entire society was built on a foundation of pledges—land in exchange for loyalty and protection. The video breaks down the social hierarchy of the Middle Ages, defining the roles of Kings, Nobles, Knights, and Peasants/Serfs, and illustrating how these groups relied on one another in a time of instability and isolation.