The fracking boom in eastern Montana has minted a handful of new millionaires and one billionaire: Lee Rossman, the president of Rossman Mining and the leading philanthropist in the small city of Rawlings. Rossman was the last person Detectives Seagate and Miner expected to discover dead in the alley next to a strip club. His marriage was a formality, but both he and his wife, Florence, were discreet. He was involved with a dancer at the club; his wife, with Lee's oldest and most trusted friend, Ron Eberly, a landman who always seemed short of funds. Rossman's business enemies, all from outside the family, included a group of ranchers who held him personally responsible for the methane in their water, as well as a radical environmentalist at the university who was forthright in explaining to Seagate and Miner how she planned to put Rossman out of business for good. When Lee's son is found out at the rigs, with significant internal injuries, numerous broken bones, and a belly full of fracking liquid, the detectives know the two crimes are related but can't figure out how. In their toughest case yet, Seagate and Miner try to solve a mystery awash in enormous fortunes, thwarted ambitions, and grudges both old and new.