Explainer: Game of Thrones, the story so far - The Conversation
: Viserys Targaryen sells his sister, Daenerys , to the Dothraki leader Khal Drogo in exchange for an army.
: Daenerys spends years building an army of "Unsullied" and freed slaves to eventually sail for Westeros. 5. Beyond the Wall: The Great Threat
: Robert’s brothers, Stannis and Renly , both claim the throne as the rightful heirs.