In the aftermath of the murder of a senator's daughter, Eve Duncan is horrified by the killer's tactic of draining the victim's blood, a case that draws her into the web of a serial killer who taunts her with hints about her missing daughter.

"The #1 New York Times bestselling and Edgar Award winning authors are back with an electrifying new novel that will leave your heart racing. Kendra Michaels is reluctant to help the FBI with the most recent case they've brought to her...until she hears the details: The body was found just blocks away from Kendra's condo. The man was carrying an envelope with Kendra's name on it, and inside was an SD card with what appears to be an innocuous video...