When Dirrul opened his eyes it was after dark but the triple moons of Vinin were full and the landscape glowed with a yellowish light. He had fallen into a ditch which ran beside a narrow, green-paved road. In the distance, hidden in a dense copse of blue tree-like vegetation, he saw the fragments of his wrecked ship. The purple grass of Vinin spread richly all around him, damp and warm. At the bottom of the ditch a reddish trickle of liquid washed over his feet.

His throat ached with thirst. His tongue clung like sand to the roof of his mouth. He knew that an Agronian could live in the Vininese atmosphere but he was uncertain whether his body could assimilate the native liquids. Yet to ease the torture he dipped his hand into the red fluid and rubbed a few drops over his lips. The sting of salt increased his torment.

His body shuddered with pain as he pulled himself to his feet. He crept a few feet along the green highway, and slowly his will mastered his strength so that he could walk erect. He began to orient himself a little. On the horizon he saw the skyline of the city he had observed from the air and he knew he was following the road in the right direction.

But the distance was greater than he had estimated. He walked for an hour and the city still seemed no closer. Nor had he seen any sign of habitation where he might go for help, nothing except the towering endless yellow stone wall which he had been following for more than half an hour. There was neither gate nor break in the stone. Atop the wall regularly spaced brackets held three naked wires in place.

The wall probably guarded the estate of a Vininese official, he decided. In that case the wires were either a warning device or a charged trap against thieves. Dirrul was puzzled by the obvious deduction. Such things were necessary on Agron to protect important installations like the Beam Transmitters—but he had hardly expected there would be a need for them on Vinin. Yet when he considered it objectively, why not? Every system of society, no matter how ideal, would produce inevitable malcontents—there were fools among the Vininese, as there were among other peoples.

Dirrul saw a towering gate in the wall and ran ahead eagerly, only to fall in disappointment against the thick metal grille. The gate was locked by a concealed device he could not locate. At a considerable distance inside the wall was a second, higher than the first. Dirrul saw a faint light at the inner gate and assumed there was a guard of some sort stationed there. He tried with all his strength to cry out for help but his throat was dust-dry. He could utter only a faint whisper.

When he tried to go on he was overcome with exhaustion. He staggered a few feet beyond the gate and collapsed into the ditch. He lay face down in the warm purple grass, his swollen tongue hanging limply from his mouth. Imperceptibly the thirst began to diminish. After a moment's speculation Dirrul understood why and crushed a handful of the purple grass against his lips. It was warm and sweet—a comforting liquid began to flow down his throat. He plunged his head luxuriously into a thick mass of the weed, breathing deeply the sweet odor of the crushed blades.

A silent grey vehicle darted along the green road and jerked to a stop in front of the gate. It came so quickly Dirrul had no time to call out. The Vininese driver stood up and bawled orders at the inner gate. A faint voice replied. The driver shouted again. The gate swung open and the vehicle moved inside.

Bewildered, Dirrul sat up, his head reeling. He understood a little Vininese, not enough to translate exactly what had been said but enough to make out a tantalizing half-meaning. The driver was searching all the work camps, he had said, for the Agronian girl, Glenna. He wanted to check something or other to see if she were here.

Work camp? Dirrul decided he must have got the word wrong. Glenna and Hurd might still be in hospitals but if they had recovered they would be honored citizens of Vinin. Still—what sort of hospital would have both double walls and alarm wires?

Only an asylum for hopeless mental cases! The realization made Dirrul cold with a terrible fear. Glenna—hopelessly insane!

To save the Movement it was vital for Dirrul to make his report immediately. What help could the Vininese get from a madwoman? He sprang up and ran dizzily to the gate. Before he could shout for the guard shadowy figures rose up around him, silently closing great hairy hands over his mouth and dragging him back across the road.

Tied and gagged Dirrul watched while the black-robed creatures worked stealthily at the central bars of the gate with tiny blue-flaming torches. Beneath their flowing capes they were beings like himself, which indicated that they were either Agronian or Vininese, for by the perverse chance of biological adaptation the people of the two planets were so structurally similar that even intermarriage was possible. One by one they cut out the bars until the span in the gate was wide enough for them to work their way through.

For a moment the band stood in the road, apparently talking. At least their lips moved and their hands fluttered expressively but Dirrul heard no sound. Reaching a decision they went through the gate in single file, carrying long vicious weapons with them. Two of the black-caped men came and stood guard on either side of Dirrul.

Whatever these vandals were doing they were working in stealth and fear and Dirrul realized their aim must be illegal. He fought to break free of his bonds so that he might warn the loyal Vininese garrison. The two guards shoved him back roughly. One of them grabbed Dirrul's tunic in a claw grip and the cloth tore open, revealing Sorgel's identification disk.

Both guards bent over him, fingering the disk, talking soundlessly with their facile fingers. Suddenly they jerked the disk off, snapping the chain. At the same moment a rolling explosion from within the wall shook the earth.

Dirrul heard a great noise and a terrifying fear filled his mind. It was a steady undiminishing fear that gripped every muscle of his body. His throat was ice-cold. His heart pounded and gasped for breath. Every nerve-end in his body quivered and his imagination was swamped with a flood of shattering ephemeral horrors.

Nothing could shake off the terror. Dirrul's skill with reason and logic failed him. It was impossible to organize his thinking to combat the sensory shock waves disrupting his thoughts. Logical patterns made no sense. The very process of trying to build meaning into them—the process of thinking itself—left him weak and trembling.

The guards watched his terror for a moment, watched while he clung close to the ground, trying to dig his fingers into it. Then one of them laughed—a piercing discordant shriek, shrilling louder than the din behind the wall. The second man, snarling viciously, kicked Dirrul in the ribs.

For Dirrul the blaze of pain was almost a relief. As his body responded to it on a level of instinct, the chattering terror in his mind diminished. A second blow on the head sent him reeling close to the brink of unconsciousness. His perceptive reactions went slightly out of focus.

In a wavering mist he saw the black figures emerge from the gate, dragging a dozen or more captives with them. A second explosion rocked the earth and flames leaped high behind the yellow wall. In the glare Dirrul recognized Glenna, struggling frantically in the arms of her masked captor.

Dirrul's memory after that was a vague patchwork of unrelated episodes. He saw huge saddled reptilian bipeds dragged out of the concealing brush. The captives were bound in the saddles and the black-robed figures mounted behind them. Later two of the men pulled Dirrul up and tied him across a saddle too.

At a sickening gallop the caravan moved away from the green highway, striking out over the purple plain. For a while Dirrul lost rational control of sensation. He felt but without understanding. His brain pulsed in a continuous terror that seemed to resolve itself into sound—a continuous high-pitched scream coming from within his own mind. His body throbbed with pain and nausea wrenched emptily at the muscles of his stomach. But he could not sort out the feelings, classify them or adjust to them.

At the edge of the plain the caravan turned up a steep rocky trail which led into the ragged range of mountains banked behind the Vininese city. They came to a stop in a stony ravine, concealed beneath a tangle of gigantic purple-leafed vines.

Dirrul's captors dismounted and removed their black cloaks, hiding them among the rocks. Underneath they wore the warm gray skintight workers' clothing of Vinin. The majority left their animals tethered to the roots of the vine and began the steep descent on foot to the city. Only three remained behind to guard the prisoners.

They built a small fire and prepared food, serving the hot sweet chunks of white meat in large wicker baskets. As soon as Dirrul discovered that he could stomach the food he wolfed his share hungrily. The guards brought him more. He felt better. Except for the sing-song ringing in his head he might have been able to think clearly enough to evaluate his own position.

But that could be done later. He was overcome by an immense drowsiness. He relaxed and slept.