“Oh, there’s no point in going through all that again,” interrupted Crysteel. “We’ll never get anyone to believe us.”

“Hey!” said the stranger, sitting up once more. “What language is that you’re speaking? I know a few, but I’ve never heard anything like that.”

“Oh, all right,” Crysteel said to Danstor. “You might as well tell him. There’s nothing else to do until that policeman comes back anyway.”

At this moment, P.C. Hinks was engaged in earnest conversation with the superintendent of the local mental home, who insisted stoutly that all his patients were present. However, a careful check was promised and he’d call back later.

Wondering if the whole thing was a practical joke, P.C. Hinks put the receiver down and quietly made his way to the cells. The three prisoners seemed to be engaged in friendly conversation, so he tiptoed away again. It would do them all good to have a chance to cool down. He rubbed his eye tenderly as he remembered what a battle it had been to get Mr Graham into the cell during the small hours of the morning.

That young man was now reasonably sober after the night’s celebrations, which he did not in the least regret. (It was, after all, quite an occasion when your degree came through and you found you’d got Honours when you’d barely expected a Pass.) But he began to fear that he was still under the influence as Danstor unfolded his tale and waited, not expecting to be believed.

In these circumstances, thought Graham, the best thing to do was to behave as matter-of-factly as possible until the hallucinations got fed up and went away.

“If you really have a spaceship in the hills,” he remarked, “surely you can get in touch with it and ask someone to come and rescue you?”

“We want to handle this ourselves,” said Crysteel with dignity. “Besides, you don’t know our captain.”

They sounded very convincing, thought Graham. The whole story hung together remarkably well. And yet…