在这个充满未知的世界里，洞穴里的秘密等待着勇敢者去探索和揭示。曹查理导航

　　Meek, little inventor Calvin Q. Calculus defies the ranting of his battle-ax wife and invents a portable hole, which will revolutionize dog bone storage, rescue of babies from safes, and golfer putts. But a thief steals Calculus' supply of portable holes and uses them to go on a crime spree.