Matthew Fogg is brilliant—but he is also a highly rehearsed sociopath who will do anything to satisfy his need to feel something, anything, even if it's through the pain of his victims. In his world, there is only what he wants—no one else matters. Dr. Maggie O’Shea is an ambitious neuroscientist developing a cure for sociopathic behavior—a cure designed to give sociopaths emotions, feelings, and most importantly, empathy. Fogg becomes obsessed with Maggie and volunteers to be part of her research project. When she uncovers Fogg’s darkest secret, she risks becoming his next victim. She has to cross the line to bring him to justice.
Santiago Sarka is the ruthless head of his own criminal empire in Los Angeles, and he doesn't feel the same way as his brother, Antonio. He owns the mayor, other city officials and high ranking police officers, controls the drug cartels and holds the city and its people captive. He senses an ominous shift is coming, and he'll put everything on the line to keep his brother out of the way.