On a video call, Paulina Deacon watches her friend follow a frenzied murder of crows through the woods. Moments later, Pauli is horrified when John stumbles upon three men and is murdered. In fear for her own life, she drives until she finds herself in the small town of Briar, Wisconsin. She reinvents herself as Polly Madison and is quickly hired to work doing odd jobs at a rehabilitation clinic.

Hal Karlsen has poured his life in to the Briar clinic helping people with addictions. When Polly arrives with her secrets, he is equal parts irritated and intrigued.

Terror follows Pauli to this small town and grows stronger each day as she finds her place in the tiny, welcoming community. Slowly, she begins to open up to Hal. As they work together to uncover exactly who is after her and why, their friendship deepens.

He pledges to keep her safe. She swears to protect the clinic. But can either live up to those promises while the danger increases daily? And will those murderous crows drive her mad before they figure