"Let the girl alone," he growled angrily.
The German wheeled on him, and recognizing in the lad no superior officer, stood his ground.
"And who are you?" he demanded.
"I'll show you," said Chester angrily.
He struck out with his right fist. "Smack." The German staggered back.
CHAPTER V
AN ENEMY PLOT BARED
Hal and Stubbs were on their feet immediately. Both hurried to Chester's side. Seeing these reinforcements, the friend of the first German officer, who had advanced apparently to aid his companion, stepped back. So did the man who had gripped the girl's wrist.
For a moment the latter glared angrily at Chester. Then his hand dropped to his holster. But before he could draw a weapon, Chester whipped out his own automatic and covered him.
"None of that," the lad said angrily.