 Rachel and the VCTF team search for a serial killer who strangles women with knots of their own hair. But when the latest victim is the daughter of a powerful mob boss, names James Perrone, the FBI profiler must gain the grieving father s confidence to learn more about her habits. Meanwhile, Rachel is under pressure from the Bureau s Organized Crime Division director, Joel Marks, to take advantage of her access to Perrone and wear a wire to trick him into confessing to a fellow mobster s murder, thereby ending a lengthy investigation.