She takes Reacher to her house for breakfast, and reveals that the Duncans drove her family into poverty years ago after she accused them of kidnapping her daughter Margaret, leading her husband Arthur to commit suicide.
Rossi, an Italian-American mobster in Las Vegas who works with the Duncans, sends two men to help them find Reacher, but he manages to evade them when they arrive at Dorothy's farm.
Rossi's Lebanese contact Safir and his Iranian boss Mahmeni subsequently send four more men when it becomes clear that the Duncans are incapable of dealing with Reacher.
The Italians pretend to form an alliance with Safir's men to dispose of the other Iranian and cut his boss out of the plan, then shoot them dead and set fire to the bodies, which Vincent witnesses.
Upon opening the barn and finding it full of decaying remains, he calls the townspeople over and reveals the truth: the Duncans have been engaging in human trafficking, bringing women and girls from Southeast Asia for the prostitution trade in Las Vegas.
Eleanor liberates a shipment of women that her family planned to send to Vegas, and informs Reacher that she will take the girls to Denver so they can assimilate into the Thai community there or try to get back home.
With so many strong-arm types flooding the prairie, there are plenty of opportunities for violence, treachery and double-crossing—think of a Nebraska remake of A Fistful of Dollars with an international cast—and Child (61 Hours, 2010, etc.)
By the time he’s finally shaken the dust from his feet, Reacher will have plumbed the depths of a monstrous unsolved crime, cleaned up the county and killed a lot of mostly nameless guys who really deserved it.