Fall from Grace - Richard North Patterson

'This is a high-profile death with several possible explanations. Which can be summarized as jumped, fell or pushed.' Adam Blaine returns to Martha's Vineyard out of duty rather than grief, after his father - bestselling author and celebrated human rights activist Benjamin Blaine - falls to his death. Having been estranged from his father for ten years, Adam is surprised to discover himself appointed the executor of his estate; especially as the will disinherits Adam's family, leaving their wealth and home to Ben's recent lover, young actress Carla Pacelli. Adam's mission - to undo the will and protect his blood, whether innocent or guilty, from criminal charges - forces him to confront his own past, and pulls him into a labyrinth of lies, deception and betrayal . . .