A celebrity mogul's bodyguard is slain in his boss's luxurious penthouse at an exclusive Manhattan address. At NYU, a sophomore is menaced on the Internet, stalked . . . and murdered.

The two cases, equally sordid and shocking, end up falling to NYPD homicide detective Ellie Hatcher and her partner—who soon find out that this is just the tip of a terrifying iceberg.

Because in the city that never sleeps, death doesn't either.