In a fantasy world where seasons last for years, several powerful families vie for control of the Iron Throne, the seat of power in the Seven Kingdoms of Westeros. The story begins as political tensions rise after the death of Jon Arryn, the King's Hand. Lord Eddard Stark of Winterfell is summoned to become the next Hand of King Robert Baratheon. Ned reluctantly accepts, traveling south with his daughters Sansa and Arya, leaving behind his wife Catelyn and their sons. As Ned delves into court politics, he uncovers dark secrets about the royal family, which threaten to ignite a civil war. Far in the north, beyond the Wall, a looming threat of supernatural White Walkers begins to grow. Meanwhile, across the Narrow Sea, the last surviving heirs of the Targaryen dynasty, Daenerys and her brother Viserys, plot to reclaim the throne.

While Daenerys embarks on a journey of self-discovery and empowerment following her coerced marriage to Dothraki warlord Khal Drogo, Viserys's ambitions lead to his downfall. Back in Westeros, Tyrion Lannister, the witty and resourceful dwarf from the powerful Lannister family, steps into a pivotal role amid rising tensions between houses Stark and Lannister. On top of all this political discord, Jon Snow, Ned Stark’s illegitimate son, joins the Night's Watch at the Wall, where he realizes his true destiny amidst harsh conditions. As webs of alliances and betrayals unfold, individuals must navigate a treacherous landscape where alliances are made and broken. The battle for control and survival intensifies in a land where winters are feared to be long and unforgiving.