The High Hall of St. Lubin Castle.—Bay windows. On the right, in the background is a wide double-door. On the left, in the background, and diagonally to it stands a long table surrounded by high-back chairs. The chairs at either end of the table are higher than the others and are decorated with the royal arms. Against the wall on the left stands a throne.

Four Gaelic barons stand, or sit about the table. Lord Ganelun enters.