"Try it," the young man begged. "Look here, I don't want to bribe you, or anything of that sort. You know you're coming out of this well. It's a serious matter for me, and I shan't be likely to forget it. I want to take this gentleman to St. David's Hall and not to a hospital. You've brought me here so far like a man. Let's go through with it. If the worst comes to the worst, we can both swim, I suppose, and we are not likely to get out of our depth."

The chauffeur moved his head backwards.

"How about him?"

"He must take his chance," Gerald replied. "He's all right where he is. The car won't upset and there are plenty of people who'll see if we get into trouble. Come, let's make a dash for it."

The chauffeur thrust in his clutch and settled himself down. They glided off along that winding stretch of road. To its very edge, on either side of them, so close that they could almost touch it, came the water, water which stretched as far as they could see, swaying, waveless, sinister-looking. Even Gerald, after his first impulse of wonder, kept his eyes averted and fixed upon the road ahead. Soon they reached a place where the water met in front.

There were only the rows of white palings on either side to guide them. The chauffeur muttered to himself as he changed to his first speed.

"If the engine gets stopped," he said, "I don't know how we shall get out of this."

They emerged on the other side. For some time they had a clear run.

Then suddenly the driver clapped on his brakes.

"My God!" he cried. "We can't get through that!"

In front of them for more than a hundred yards the water seemed suddenly to have flowed across the road. Still a mile distant, perched on a ridge of that strangely-placed hill, was their destination.

"It can't be done, sir!" the man groaned. "There isn't a car ever built could get through that. See, it's nearly up to the top of those posts. I must put her in the reverse and get back, even if we have to wait on the higher part of the road for a boat."

He glanced behind, and a second cry broke from his lips. Gerald stood up in his place. Already the road which had been clear a few minutes before was hidden. The water was washing almost over the tops of the white posts behind them. Little waves were breaking against the summit of the raised bank.

"We're cut off!" the chauffeur exclaimed. "'What a fool I was to try this! There's the tide coming in as well!"

Gerald sat down in his place.

"Look here," he said, "we can't go back, whether we want to or not.

It's much worse behind there than it is in front. There's only one chance. Go for it straight ahead in your first speed. It may not stop the engine. In any case, it will be worse presently. There's no use funking it. If the worst happens, we can sit in the car.

The water won't be above our heads and there are some boats about.

Blow your horn well first, in case there's any one within hearing, and then go for it."

The chauffeur obeyed. They hissed and spluttered into the water.

Soon all trace of the road was completely lost. They steered only by the tops of the white posts.

"It's getting deeper," the man declared. "It's within an inch or two of the bonnet now. Hold on."

A wave broke almost over them but the engine continued its beat.

"If we stop now," he gasped, "we're done!"

The engine began to knock.