Need to Know

In this New York Times bestselling psychological thriller, a CIA analyst uncovers a dangerous secret that shatters her trust in everyone around her--and puts her loyalty to her family to the ultimate test. Perfect for readers of The Woman in the Window and The Couple Next Door.

What do you do when everything you trust might be a lie?

Vivian Miller is a dedicated CIA counterintelligence analyst assigned to uncover the leaders of Russian sleeper cells in the United States. Pushing herself for a much-needed promotion, she stumbles on a secret online dossier of deep-cover agents living within America's borders. A few clicks later, everything that matters to her--her job, her husband, even her four children--are threatened.

Vivian has vowed to defend her country against all enemies, foreign and domestic. But now she's facing an impossible choice: protect her family or be taken down for treason. Who can she trust?