Margie caught her arm.
"What is it? You shall tell me! Suspense is worse than certainty."
"And if I tell you, you will keep silent? Silent as the grave itself?"
"Yes, if you wish it."
"Will you swear it?"
"I cannot; but I will keep it just as sacredly."
"I want not only your promise, but your oath. You would never break an oath. And this which I am about to tell you, if known to the world, involves Archer Trevlyn's life! and you refuse to take an oath."
"His life! Yes, I will swear. I would do anything to make his life safer."
"Very well. You understand me fully? You are never to reveal anything I may tell you to-night, unless I give you leave. You swear it?"
"I swear it."