When Sarah Walsh packs up her teenage daughter to move to Flagport, Massachusetts, on a whim, no one really questions it. After all, the career soldier spent twenty years in the Army, where moving was a way of life for her and her daughter Laney.

When she meets Ryan Rivers, a real estate mogul and the father of Laney's new best friend, Sarah counts her blessings that she landed in such a tight knit community with strong family values. She is quickly welcomed by Ryan's wife, Lauren, and her best friend Evie Sullivan, and immersed into a town that boasts of low crime, stunning views, and a family-friendly feel.

But before she finishes unpacking, secrets start to reveal themselves and she discovers that trust doesn't always go hand in hand with charm, and what you see is not always what you get.

Just as more answers start to surface about each person she encounters, the tables are turned and the questions are directed at Sarah.

Why did she come to the small beach town of Flagport in the first place? Who did she leave behind? What is she running from? Can she uncover the truth before the town's darkness consumes her and her daughter?

In this absolutely twisting domestic thriller, nothing is as it seems, and trust is a dangerous game. As Sarah digs deeper into the town's secrets, she finds that the answers she seeks might be the very things that destroy her. Will she solve the puzzle in time, or will Flagport's shadows claim another victim?