Reverberating over the night blanketed ruins of the lost city, the hollow, booming note of the giant, temple gong signals the end of another dangerous mission for Hop and Tank. But it is also the signal for the destruction of the temple itself, for as the boys race down the outer steps, Pablo, who is dying of a gunshot wound, stands at the apex of the stone structure sounding the death bell. Three strokes on the gong, and the vibrations will shatter the stone, causing the temple to crumble into dust and ruin...