Mason "Tuck" Tucker meets Sass Thornton when she ropes the drowning cowboy and drags him out of a raging flashflood. "Dumb ass!" she says. "Who's stupid enough to go up a box canyon in a heavy rainstorm?" When Tuck gets hired at her father's ranch, she bristles. "Daddy, no! That's the fool I pulled out of the flood yesterday in Lost Eagle Canyon." Phil, Sass's father, has been keeping two secrets from her. One is that a gang of ruthless gunmen have...