Preston & Child continue their #1 bestselling series featuring FBI Special Agent Pendergast and Constance Greene, as they take a final stand against New Yorks deadliest serial killer: Pendergasts own ancestorand Constances greatest enemy.

A desperate bargain is broken

Constance Greene confronts Manhattans most dangerous serial killer, Enoch Leng, bartering for her sister’s life but she is betrayed and turned away empty-handed, incandescent with rage.

A clever trap is set

Unknown to Leng, Pendergasts brother, Diogenes, appears unexpectedly, offering to helpfor mysterious reasons of his own. Disguised as a cleric, Diogenes establishes himself in New York’s notorious Five Points slum, manipulating events like a chess master, watching Lengs every moveand awaiting his own chance to strike.

A vengeful angel will not be deterred

Meanwhile, as Pendergast focuses on saving the unstable Constance in her fanatical quest for vengeance, she strikes out on her own: to rescue her beloved siblings from a tragic fate and take savage retribution on Leng. But Leng is one step ahead and has a surprise for them all