Sapphire had nearly cracked the case. The oil company were drilling in the restricted zone, that was for certain. They'd even sunk wells into the special scientific area of interest. But what was this forbidden valley that all the natives were afraid of? Were the rumours true, were there still neolithic tribes in the valley, untainted by the modern world? Could they possibly be allies in helping her defeat the machinations of the oil company? Only one way to find out!