Robb Stark's chain of victories against the Lannisters enrages Joffrey, who punishes Sansa for her brother's successes. Tyrion struggles to find a way to curb his nephew's cruel excesses and enlists Cersei's lover Lancel as an informant. Catelyn urges the Baratheon brothers to forgo their ambitions and unite against a common enemy, while across the Narrow Sea, Daenerys and her exhausted retinue arrive at the walled city of Qarth