At last, after walking what seemed to Iona a long way, they came to a small oak door in the outer wall. It was bolted and locked. Cathy drew the bolts and they squeaked and wheezed as if they had not been used for a considerable time. Drawing a key from the pocket of her apron, Cathy turned it in the lock and the door opened. Fresh air and sunshine came flooding in.
Iona looked out on to a terrace bounded by a balustrade, which opened immediately ahead to reveal a steep flight of stone steps descending to the loch. There was no one in sight and she realised that they were on the east side of the castle and out of sight of the bridge that joined it to the mainland.
Cathy whistled and almost immediately there appeared, the head and shoulders of a man coming up the steps. He climbed quickly
