“Geoffrey, give me your word of honor that you will not breathe a word of what I tell you,” she said earnestly.
“I can keep a secret. It is my business,” he answered.
“Well then, John has gone back to the Congo. Ethel and I are going to follow him in the Heron. We sail to-morrow.”
“The devil you are!” he blurted out.
“Yes, and I think it would be as well if you came with us.”
“You may as well tell me the whole story.”
“Very well, but remember that it is in confidence,” she answered, and proceeded to relate all that had happened.
He listened in open-eyed amazement, and when she had finished he had lost some of his wonted composure.
“It is pure madness, and the man must be stopped,” he said hotly.
“Remember your promise,” she said warningly.