Half American, half Japanese, expert in both worlds but at home in neither, John Rain is the best killer money can buy. You tell him who. You tell him where. He doesn’t care about why... Until he gets involved with Midori Kawamura, a beautiful jazz pianist - and the daughter of his latest kill.

Seattle PD sex-crimes detective Livia Lone knows the monsters she hunts. Sold by her Thai parents along with her little sister, Nason; abused by the men who trafficked them; marooned in America...the only thing that kept Livia alive as a teenager was her determination to find Nason. Livia has never stopped looking. And she copes with her failure to protect her sister by doing everything she can to put predators in prison.

1991. A restless young man called Dox is back home in Texas. His friends have missed him, and his mother and sisters need him. But after four years as a Marine and another two as a CIA contractor fighting the Soviet Union alongside the Afghan mujahideen, small-town life in Abilene is a suffocating dead end. Another secret war, this one in Southeast Asia, offers a big payday and the solution to his family’s troubles. But secret wars are never what they’re billed to be, and Dox is about to get the education of his young life. 

When a joint FBI-Seattle Police investigation of an international child pornography ring gets too close to certain powerful people, sex-crimes detective Livia Lone becomes the target of a hit that barely goes awry - a hit that had been offered to John Rain, a retired specialist in "natural causes." Suspecting the FBI itself was behind the attack, Livia reaches out to former Marine sniper Dox. Together, they assemble an ad hoc group to identify and neutralize the threat. There’s Rain. Rain’s estranged lover, Mossad agent and honeytrap specialist Delilah.

Assistant US Attorney Alondra Diaz hates traffickers. And she’s determined to put one of America’s most powerful financiers, Andrew Schrader, in prison forever for his crimes against children. But Schrader has videos implicating some of the most powerful members of the US national security state. To eliminate Diaz, the powers that be bring in a contractor: Marvin Manus, an implacable assassin whose skills have been forged in intelligence, the military, and the hardest prisons.