Mr. Parker is in a car accident and is taken to the hospital by another driver. However, Mr. Parker never arrives at the hospital, leaving Penny frantic with worry. Penny takes over running the newspaper in her father's absence and discovers a clue to her father's whereabouts.
man closed the door. He made places for Penny and Louise at the stove and tossed in a heavy stick of wood.
"Bad night to be out," he commented cheerfully.
Penny agreed that it was. "We're lost," she volunteered, stripping off her wet mittens. "At least we can't find the airplane listening post."
"Why, it's just a piece farther on," the old man replied. "The tower's right hard to see in this storm."
While they thawed out, the girls explained that they had been forced to abandon their car at the Riverview Yacht Club. The old man, whose name was Henry Hammill, listened with deep sympathy to their tale of woe.
"I'll hitch up my horses and take you to Riverview in the sled," he offered. "That is, unless you'd rather stop at the listening tower."
"It would save you a long trip," Penny returned politely. "If Salt Sommers is on duty, I'm sure he'll take us to our homes."
In the end it was decided that Old Henry should drive the girls as far as the post. Then, if arrang