Henry Cimoli and Spenser have been friends for years yet the old boxing trainer has never asked the private eye for a favor. Until now. A heavy-handed developer is trying to buy up Henry's condo on Revere Beach and sends thugs to move the process along. Soon Spenser and his apprentice Zebulon Sixkill find a trail leading to a mysterious and beautiful woman a megalomaniacal Las Vegas kingpin and plans to turn to a chunk of land north of Boston into a sprawling casino. Bitter rivals emerge alliances turn and the uglier pieces of the Boston political machine look to put an end to Spenser's investigation.<br><br>Aspiration greed and twisted dreams all focus on the old Wonderland dog track where the famous amusement park once fronted the ocean. For Spenser and Z this simple favor to Henry will become the fight of their lives.