Robb Stark, declared King in the North, battles to avenge his father's execution and retrieve his sister from Joffrey's court.
Both the dour Stannis and the charismatic Renly Baratheon, Robert's brothers, also seek the throne. Queen Cersei's family, the Lannisters, fight to hold it for him. Joffrey, Queen Cersei's sadistic son, ascends the Iron Throne following the death of Robert Baratheon, the Usurper, who won it in battle.