(for those of you who are missing out: spoonerisms)
They dug all day in the crushing humidity of the tropical heat. Finally, in thin moonlight, a shovel struck wood and soon they were pulling the treasure chest up and cracking its lock. This was a long-anticipated moment, and they traded speculations on what riches they would find inside.
The riches, explained a note that was, with the sand, the only contents of the chest, consisted of the friendship they had developed in the search and the character they had built by digging.