In Oak Knoll, a verdant, tight-knit North Carolina neighborhood, professor of forestry and ecology Valerie Alston-Holt is raising her bright and talented biracial son. Xavier is headed to college in the fall, and after years of single parenting, Valerie is facing the prospect of an empty nest. All is well until the Whitmans move in next door an apparently traditional family with new money, ambition, and a secretly troubled teenaged daughter. Thanks to his thriving local business, Brad Whitman is