New York, 1922. Five-year-old Gavin Daly and his seven-year-old sister, Aileen, are boarding the SS Mauretania to Dublinand safety. Their mother has been shot and their Irish mobster father abducted. Suddenly, a messenger hands Gavin a piece of paper on which are written four names and eleven numbers, a cryptic message that will haunt him all his life, and his father's pocket watch. As the ship sails, Gavin watches Manhattan fade into the dusk and makes a promise, that one day he will return and find his father. Brighton, 2012. Detective Superintendent Roy Grace investigates a savage burglary in Brighton, in which an old lady is murdered and 10m of antiques have been taken, including a rare vintage watch. To Graces surprise, the antiques are unimportant to her familyit is the watch they want back. As his investigation probes deeper, he realises he has kicked over a hornets' nest of new and ancient hatreds.  has a score to settle and a promise to keepboth of which lead to a murderous trail linking the antiques world of Brighton, the crime fraternity of Spains Marbella, and New York. Roy Grace, in a race against the clock to stop another killin