After the death of Ingvar Tench, one of Panoply’s most dangerous operatives, Prefect Tom Dreyfus, riddled with guilt, is plunged into a deadly conspiracy and pitted against an old enemy who refuses to die.

"Brazilian investigator Rosalia Morais, and her husband, revered American spacer Nicolau Aames, are building a life together in Mars's Maxwell City, the fastest-growing settlement on the planet. Good news: there are no natural predators. Bad news: there are humans. That means the crime rate is growing, too. To ensure public safety, Rosie's appointed by the mayor as the Red Planet's first sheriff. No sooner does she build a law enforcement squad than...