They drove from Calgary, into the mountains for about three and a half hours before David finally stopped. It was well past dark. The road David took seemed to stretch and wind endlessly in a remote area with few other travellers. After turning his truck off the highway, the road became even more steep and bumpy. Tasha fearfully clutched the dash for support and tried not to glance out of the side window, knowing he was taking her up the side of a mountain.

She had spent the ...