The Rockwell women are nothing if not ... Well, it's complicated. When the sisters-Esme, Liv and Ru-were young, their eccentric mother, Augusta, silenced all talk of their absent father with the wild story that he was an international spy, always away on top-secret missions. But the consequences of such an unconventional upbringing are neither small nor subtle: Esme is navigating a failing marriage while trying to keep her precocious fifteen-year-old daughter from live-tweeting every detail. Liv finds herself in between relationships and rehabs, and Ru has run away from enough people and problems to earn her frequent flier miles. So when a hurricane hits the family home on the Jersey Shore, the Rockwells reunite to assess the damage-only to discover that the storm has unearthed a long-buried box. In a candid moment, Augusta reveals a startling secret that will blow the sister's concept of family to smithereens-to send them on an adventure to reconnect with a lost past ...and one another.