Unraveling the madness behind L.A.'s most baffling and brutal homicides is what sleuthing psychologist Alex Delaware does best. By all accounts, acid-tongued Vita Berlin hadn't a friend in the world, but whom did she cross so badly as to end up arranged in such a grotesque tableau? One look at her apartment-turned-charnel house prompts hard-bitten LAPD detective Milo Sturgis to summon his go-to expert in hunting homicidal maniacs, Alex Delaware. But...

The anonymous caller has an ominous tone and an unnerving message about something "real dead ... buried in your marsh." The eco-volunteer on the other end of the phone thinks it's a prank, but when a young woman's body turns up in L.A.'s Bird Marsh preserve no one's laughing. And when the bones of more victims surface, homicide detective Milo Sturgis realizes the city's under siege to an insidious killer.