"See if we can get out!" repeated Ruth. "Why, is there any danger that we can not?"
"Every danger in the world, I should say," spoke Russ, and there was a worried note in his voice. "I don't want to alarm you," he went on, "but the fact is that we are shut up in this ice cave."
"Oh, don't say that!" cried Ruth.
"Why shouldn't he—if it's true?" asked Alice. "Let's face the situation, whatever it is. Russ, will you see just how bad it is?"
Without speaking, the young moving picture operator went to the hole through which they had stooped to enter the cavern. In a moment he came back.
"It's closed tighter than a drum," he announced. "A lot of ice slid down from above and closed the entrance to the cave as if a door had been shoved across it. We can't get out!"
For a moment no one spoke, and then Paul asked, quietly:
"What are we going to do?"
"Have you a knife?" asked Russ.
"A knife? Yes, but what good is that?"