Plot: Maggie and PJ are in serious trouble when an investigation into a suspicious goldmine goes wrong, and they find themselves trapped. Two newcomers in town, Matt Kinsella and Jamie Burgess claim that the goldmine is theirs, but old Hec O'Farrell, who has been working the mine for as long as anyone can remember, insists that Matt and Jamie are the trespassers—and what's more, they've stolen his gold dust