Riddle James Camperdown is twelve, the daughter of the idealistic Camp and his manicured, razor-sharp wife, Greer. It's 1972, and Camp is running for office from the family compound in Wellfleet, Massachusetts. Between his desire to toughen her up and Greer's demand for glamour, Riddle has her hands full. When she accidentally witnesses a crime, confusion and fear keep Riddle silent. And as the summer unfolds, the consequences of her silence multiply. Another mysterious and powerful family, the Devlins, slowly emerges as the keepers of astonishing secrets that could shatter the Camperdowns. As an old love triangle, bitter war wounds, and the struggle for status spiral out of control, Riddle can only watch, hoping for the courage to reveal the truth.