it was a riddle that threatened to destroy kay's family until someone with an explosive secret revealed the horrifying truth. here's keith morrison with "mystery in payson canyon." >> there are people on this glorious sun-kissed planet of ours who get up each morning to the miracle of being alive and wor worry. not that there aren't things to worry about, of course. whether we can do anything about them or not. but some people worry a very great deal indeed and do try to be prepared for whatever. and one of those prepared people was a brilliant retired university professor named kay mortenson whose sister was a woman named fern. >> they said, well, kay, what would happen if i'm not prepared and i'm hungry or my kids are hungry? can we come to the house? "no, i'll probably just shoot you." jestingly. he wouldn't have. but he was definitely willing to protect what he had.