In the middle of the night, Victoria Powell receives a distressing phone call from her friend Kayla. But when Victoria heads out to meet her, she's nowhere to be found.

A month earlier, a file containing incriminating evidence disappears at a prominent hedge fund. Suspecting a connection with the her friend's disappearance and fearing for her life, Victoria escapes the city to Martha’s Vineyard.

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Arriving during a dangerous nor’easter, she delves into her deceased mother’s diaries - unaware of the danger that has followed her to the island.