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

"Jack Taylor has finally escaped his violent life in Galway for a quiet retirement in the country. But on a day trip back into the city to sort out his affairs, Jack is hit by a truck in front of Galway's Famine Memorial, left in a coma but mysteriously without a scratch on him. When he awakens weeks later, he finds Ireland in a frenzy over the so-called "Miracle of Galway." People have become convinced that the two children seen tending to him are...