A killer's last move. A detective's last chance.San Diego Detective MaKenzie Young never surrenders.under any circumstance. She's spent years hunting the Birthday Butcher, a sadist who murders and decorates one young woman every year.But this year.the psychopath changes their game.It's been forty-eight hours since the latest victim was discovered when someone close to Mac goes missing.

And this time.the killer makes a demand she can't refuse. With the clock ticking and a life at stake, how will Mac find a way to catch a killer before she has to concede defeat?.