Showing Beach Road by James Patterson

Tom Dunleavy has a one-man law firm in East Hampton - his clients are the people he grew up with, the people who make a living serving the rich. When an old friend, Dante Halleyville, is arrested for a triple murder near a movie star's mansion, Tom agrees to represent him, and recruits super lawyer, and ex-girlfriend, Kate Costello to help fight the case. As Tom wonders if he can ever get Kate to forgive him for his past sins, the case takes on astonishing dimensions, revealing a world of illegal pleasures, revenge, and fear amongst the super-rich...