Galway private investigator Jack Taylor confronts an evil coterie named Headstone, who have committed a series of random, insane, violent crimes in Galway, Ireland.

Michael O'Shea is a member of Ireland's police force, known as The Guards. He's also a sociopath who walks a knife edge between sanity and all-out mayhem. When an exchange program is initiated and twenty Guards come to America and twenty cops from the States go to Ireland, Shay, as he's known, has his lifelong dream come true--he becomes a member of the NYPD. But Shay's dream is about to become New York's nightmare.

For the Southeast London police squad, it's rough, tough, dirty business as usual. The Vixen, the most sensuous, crazed female serial killer ever, is masterminding a series of lethal explosions. She is unpredictable, wild, angry--and the cops don't even know she exists. Meanwhile, Inspector Roberts is helpless to stop the explosions and his subordinates aren't doing much better. Brant is consumed with an even-bigger-than-usual mean streak, and fast-rising...