#1 INTERNATIONAL BESTSELLER - Detectives Joona Linna and Saga Bauer must confront a relentless killer who's always one step ahead in this installment of the Killer Instinct series from the #1 international bestselling author of The Hypnotist.

"Action-oriented, inventive, with over-the-top plots and larger-than-life heroes and criminals." --Los Angeles Times Magazine Police discover the lifeless body of a young woman on an abandoned yacht. The next day, a man is found hanging in his apartment. When Detectives Joona Linna and Saga Bauer uncover a surprising connection between the two deaths, they realize they are up against a brutal killer and a ruthless business tycoon who preys on his victims' worst nightmares to achieve his sinister ends.