An oceanfront estate in the beautiful New England town of Twin Oaks is the ideal setting for Isabelle Walsh and her close-knit group of friends to celebrate their annual girls' weekend in 1953. While off to a promising start, the weekend quickly goes awry as murder interrupts the fun and the hostess is accused of the shocking crime. Izzy quickly realizes it is up to her to save her innocent friend and bring the murderer to light. Keen intuition and quick wit are Izzy's only tools. She must use them to find the dark truth before the killer brings her investigation to a dead stop…