The rain poured relentlessly over the sleepy town of Northbridge, turning its asphalt streets into glistening rivers. Inside the modest bungalow at the edge of the city, Megan stirred the pot of chicken soup while her husband, Evan, fiddled with his latest obsession, a metal detector he had ordered online. "Evan, I swear, if you're planning on digging up the backyard again." Megan began but was interrupted by the ping of the detector.