He hastily unlaced his shoes, stuffed them in his coat pocket, and bending low, ran lightly along the deck toward the door whence the officer had emerged. Down the companionway he darted and at the bottom found himself in a narrow passage which bisected this part of the yacht fore and aft. Being familiar with this type of craft, he guessed that the passage ran forward from the saloon where Slim and Sanders were still conferring, to the galley and the crew’s quarters. On either side were the closed doors of the cabins. He listened for a second at the door nearest the stairs, turned the knob and pushed it open.