"If I don't see her go by," he said grimly, "I'll go up to the camp
and see if she's still there."

The man in the driver's seat looked relieved.

"If she's left behind, it's her fault. If you hunt for her, make it
fast and be plenty careful. Keep to the camp and stay away from the
lake. There was a hell of an explosion over there this morning. Three
men went to see what'd happened. They didn't come back. Two more went
after 'em, and something hit them on the way. They smelled something
worse than skunk. Then they were paralyzed, like they had hold of a
high-tension line. They saw crazy colors and heard crazy sounds and
they couldn't move a finger. Their car ditched. In a while they came
out of it and they came back--fast! They'd just got back when we got
short wave orders for everybody to get out. If you look for that girl,
be careful. If she's still there, you get her out quick!" Then he said
sharply, "Here's a chance for us to get going. Move out of the way!"

There was a gap in the now diminishing spate of cars. The driver of
the stopped car drove furiously onto the highway. He shifted gears and
accelerated at the top of his car's power. Another car behind him
braked and barely avoided a crash while blowing its horn furiously.
Then the traffic went on. But it was lessening now. It was mostly
private cars, owned by the workmen.

Suddenly there were no cars coming down the long straight stretch of
road. Lockley got back on the highway and resumed his rush toward the
spot the others fled from. He heard behind him the diminishing rumble
and roar of the fugitive motors. He jammed his own accelerator down to