She was a forgotten girl, a runaway found murdered on the High Line train through the northern Rocky Mountains and, with little local interest, put into a dead file. But she was not alone. When Kirk Stevens and Carla Windermere of the joint FBI-BCA violent crime force stumble upon the case, they discover a horror far greater than anyone expected—a string of murders on the High Line, all of them young women drifters whom no one would notice.