<span><span><span>Chuck Bennett discovers from an old family bible that many years ago a man from Missouri cached his diamonds somewhere in the area of Carlsbad Caverns in New Mexico. When news gets out about the discovery, so-called “descendants” of the man are eager to question Chuck and his friend and make off with the loot. The boys manage to foil all of these would be “heirs” and ultimately put their discovery to good use.<br><br><br></span></span><br /><span><span> </span></span></span>