Imagine a killer who thinks, "What is the worst thing anyone has ever done?"—and then goes far beyond it. Now imagine four women—a police detective, an assistant DA, a reporter, and a medical examiner—who join forces as they sidestep their bosses to track down criminals. Known as the Women's Murder Club, they are pursuing a murderer whose twisted imagination has stunned an entire city. Their chief suspect is a socially prominent writer, but the men in charge won't touch him. On the trail of the most terrifying and unexpected killer ever, they discover a shocking surprise.

"I'm not on trial. San Francisco is". An accused murderer called Kingfisher is about to go on trial for his life. Or is he? By unleashing unexpected violence on the lawyers, jurors, and police involved in the case, he has paralyzed the city. Detective Lindsay Boxer and the Women's Murder Club are caught in the eye of the storm. Now comes a courtroom shocker you will never see coming.

SFPD Sergeant Lindsay Boxer, Medical Examiner Claire Washburn, Assistant District Attorney Yuki Castellano, and crime writer Cindy Thomas gather at one of San Francisco’s finest restaurants to celebrate exciting news: Cindy is getting married. Before they can raise their glasses, there’s a disturbance in the restaurant. A woman has been assaulted.

NYPD Detective Michael Bennett is about to take on the most sinister challenge of his career. The nation has fallen into mourning after the unexpected death of a beloved former first lady, and the most powerful people in the world gather in New York for her funeral. Then the inconceivable occurs. Billionaires, politicians, and superstars of every kind are suddenly trapped within one man's brilliant and cold-blooded scenario.

There's a killer on the loose in San Francisco, and he's stalking newlyweds. When the usual procedures to stop him don't work, four women, each holding a piece of the puzzle, form a Women's Murder Club to collaborate outside the box and pursue the case. 1st to Die is the start of a new series of crime thrillers from James Patterson.