He left the chamber, locking it securely behind him, and went down to the others sitting in the hall.

'Sir Simon, may I see the prisoner now?' he asked.

Gurney nodded. 'Catchpole will take you down. Selditch is already with him.'

Catchpole escorted Corbett along a passageway which ran by the kitchen. He stopped before a metal-studded door, opened it and revealed steps leading down into a cavernous darkness relieved only by the flickering light of a few sconce torches. At the bottom of the steps was a long passageway hewn out of the rock. Corbett touched the wall in surprise. Catchpole, leading the way, stopped. 'Didn't you know, Sir Hugh, that Mortlake Manor is built on a warren of passageways and tunnels? It used to be a ferry point for those who wanted to travel across the Wash.' He pointed to the ceiling. 'Some people say the Romans had a watch tower here with a beacon to guide their ships. After that the Saxons, then old Duke William of Normandy built a keep. You should talk to physician Selditch, he knows the history of the place. But, come.'

They continued down the narrow sloping passage. Corbett felt a flicker of panic and tried to control his breathing. Maeve and Ranulf always teased him about his horror of enclosed spaces. At last Catchpole stopped before a heavy timber door with a small grille at the top. He unlocked it and mockingly ushered Corbett through.

The dungeon was no more than a bare, cavernous storeroom, though Gurney had tried to make his prisoner comfortable. Gilbert was sitting on the edge of a cot bed with Selditch on a stool opposite him. The physician was washing the prisoner's face with a mixture of water and wine and applying an unguent to the large bruise around his eyes. A small, three-branched candelabra provided a pool of light. Gilbert hardly looked up but stared morosely at the rush-covered floor whilst Selditch, busy with his medicines and potions, mumbled a greeting. At last he finished.