When Sam, the hottest dad in the neighborhood, is stabbed to death in a leafy local playground, no one in tony Larchwood can imagine who would want him dead. No one except the mom he snubbed, the dad he laughed at, the outsider he humiliated. Oh, and don’t forget his lover. Or his wife.

This page-turning story is told by four women—each distinct, and not all reliable. There’s gorgeous Lucy, who’s ready to blow up her marriage; anxious Rachel, a classic overachiever; polished, powerhouse-lawyer Grace, who’s deeply unhappy; and real estate agent Carmen, an outsider, who’d do anything to fit in. When one woman disappears from the neighborhood soon after the murder, and then another, fear takes hold in Larchwood.

Meanwhile, questions begin to arise about another suspicious death, one that took place years before. No one would think to link these events. No one except the killer …