Though he could distinguish nothing save their outlines, his eyes had not left the four men for an instant. He even raised himself a little and parted the screen of beach grass in an effort to keep track of their movements. Presently he saw that they had straightened up. Apparently they had removed all the tins, and he wondered eagerly what would be the next step. Then, of a sudden, as they stood there, another jagged fork of light flashed through the dark storm clouds, and Steve caught his breath and narrowly escaped crying out in sheer amazement.