When a junkie is murdered in the Tenderloin district, SFPD detectives Terry English and Hildy Mulligan are shocked to discover the case may be related to the city’s youngest billionaire, tech genius Erich Blunt. But Terry’s ability to focus is troubled as his wife battles stage 4 pancreatic cancer. Just as the inspectors begin closing in on the case, Blunt’s beautiful flight attendant is found dead.