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.

"LAPD homicide lieutenant Milo Sturgis is a master detective. He has a near-perfect solve rate and he's written his own rule book. Some of those successes the - toughest ones - have involved his best friend, the brilliant psychologist Alex Delaware. But Milo doesn't call Alex in unless cases are different. This murder warrants an immediate call. Milo's independence has been compromised as never before, as the department pressures him to cater to the...