Terrell McCaleb has been one of the brightest and most effective serial-killer investigators in the history of the FBI. But when he's sidelined by a heart-transplant operation, McCaleb decides to trade in his badge for a full-time position restoring his treasured yacht. But that proves short-lived, for soon Garciella Rivers, who is mourning her sister's brutal murder, convinces McCaleb to help her hunt down the elusive killer. Now that McCaleb is on the trail of an unpredictable and extremely dangerous madman, his own life is on the chopping block.