Jack Taylor has hit rock bottom: one of his best friends is dead, and the other has stopped speaking to him; he has given up battling his addiction to alcohol and other substances; and his firing from the Irish national police is by now ancient history. But Jack isn't about to embark upon a self-improvement plan. Instead, he has taken up a vigilante case against a respected professor of literature who has developed a savage habit his friends in high places are only too happy to ignore. Between pub crawls and violent outbursts, Jack's vengeful plot against the professor soon spirals toward chaos, putting both himself and his new student sidekick in danger. Ireland may be known as a "green Eden," but in Jack Taylor's world, the national color has a decidedly lethal sheen...