For a second it looked as if she would make a dash for the blade glistening there on the floor. But she straightened up, and with a look of infinite scorn said:

"So the mighty policeman of the Sun calls a hotel guard, does he? Please! Believe me, I am myself working for the same object as yourself—the prevention of a horrible war!"

She was pleading now.

"Believe me, you are against forces that you don't understand! I can help you, if you will listen. Let me tell you, the Martian government is itself corrupted. The planetary president, Wilcox, is in alliance with the war party. You will have to fight the police. You will have to fear poison. You will be set upon and killed in the first dark passage. Yet if you help me you may accomplish your object. You must help me!"

"What do you want of me?"

"Help me change our government!"

Sime laughed shortly. He began to suspect that this amazing girl was demented. He thought of the powerfully entrenched rulers of this theoretically republican government. For more than two hundred years, if he remembered rightly, the Martians had been ruled by a small group of rich politicians.

"You propose a revolution?" he asked curiously.

"I propose the return of Princess Sira to the throne!" she declared vehemently. "But enough! Are you going to betray me—I, who have risked much to warn you? Or are you going to let me go?"