Jon Arryn, the Hand of the King, is dead. King Robert Baratheon plans to ask his oldest friend, Eddard Stark, to take Jon's place. Across the sea, Viserys Targaryen plans to wed his sister to a nomadic warlord in exchange for an army.
Catelyn has captured Tyrion and plans to bring him to her sister, Lysa Arryn, at the Vale, to be tried for his, supposed, crimes against Bran. Robert plans to have Daenerys killed, but Eddard refuses to be a part of it and quits.
Robert has been injured while hunting and is dying. Jon and the others finally take their vows to the Night's Watch. A man, sent by Robert, is captured for trying to poison Daenerys. Furious, Drogo vows to attack the Seven Kingdoms.
Eddard and his men are betrayed and captured by the Lannisters. When word reaches Robb, he plans to go to war to rescue them. The White Walkers attack the Wall. Tyrion returns to his father with some new friends.
Robb goes to war against the Lannisters. Jon finds himself struggling on deciding if his place is with Robb or the Night's Watch. Drogo has fallen ill from a fresh battle wound. Daenerys is desperate to save him.